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1042212132 = 223213171011297
BaseRepresentation
bin111110000111101…
…110010100100100
32200122002212021100
4332013232110210
54113301242012
6251230120100
734553441223
oct7607562444
92618085240
101042212132
11495335445
12251050030
13137bc9890
149c5b8cba
156176d8dc
hex3e1ee524

1042212132 has 144 divisors (see below), whose sum is σ = 3036105072. Its totient is φ = 298598400.

The previous prime is 1042212107. The next prime is 1042212137. The reversal of 1042212132 is 2312122401.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 342398016 + 699814116 = 18504^2 + 26454^2 .

It is a super-2 number, since 2×10422121322 = 2172412256175970848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1042212137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 802908 + ... + 804204.

It is an arithmetic number, because the mean of its divisors is an integer number (21084063).

Almost surely, 21042212132 is an apocalyptic number.

1042212132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042212132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518052536).

1042212132 is an abundant number, since it is smaller than the sum of its proper divisors (1993892940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042212132 is a wasteful number, since it uses less digits than its factorization.

1042212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1042212132 is about 32283.3104250478. The cubic root of 1042212132 is about 1013.8772420046.

Adding to 1042212132 its reverse (2312122401), we get a palindrome (3354334533).

The spelling of 1042212132 in words is "one billion, forty-two million, two hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 17 18 26 34 36 39 51 52 68 78 101 102 117 153 156 202 204 221 234 303 306 404 442 468 606 612 663 884 909 1212 1297 1313 1326 1717 1818 1989 2594 2626 2652 3434 3636 3891 3939 3978 5151 5188 5252 6868 7782 7878 7956 10302 11673 11817 15453 15564 15756 16861 20604 22049 22321 23346 23634 30906 33722 44098 44642 46692 47268 50583 61812 66147 66963 67444 88196 89284 101166 130997 132294 133926 151749 198441 200889 202332 261994 264588 267852 286637 303498 392991 396882 401778 523988 573274 606996 785982 793764 803556 859911 1146548 1178973 1571964 1702961 1719822 2226949 2357946 2579733 3405922 3439644 4453898 4715892 5108883 5159466 6680847 6811844 8907796 10217766 10318932 13361694 15326649 20042541 20435532 26723388 28950337 30653298 40085082 57900674 61306596 80170164 86851011 115801348 173702022 260553033 347404044 521106066 1042212132