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1042443234 = 232727130529
BaseRepresentation
bin111110001000100…
…110101111100010
32200122112121021200
4332020212233202
54113331140414
6251235102030
734555423050
oct7610465742
92618477250
101042443234
11495483038
12251141916
13137c7ab21
149c6391d0
15617b7109
hex3e226be2

1042443234 has 48 divisors (see below), whose sum is σ = 2590897920. Its totient is φ = 296732160.

The previous prime is 1042443203. The next prime is 1042443239. The reversal of 1042443234 is 4323442401.

It is a happy number.

1042443234 is a `hidden beast` number, since 1 + 0 + 424 + 4 + 3 + 234 = 666.

It is a super-2 number, since 2×10424432342 = 2173375792224757512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042443198 and 1042443207.

It is not an unprimeable number, because it can be changed into a prime (1042443239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18882 + ... + 49410.

It is an arithmetic number, because the mean of its divisors is an integer number (53977040).

Almost surely, 21042443234 is an apocalyptic number.

1042443234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042443234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295448960).

1042443234 is an abundant number, since it is smaller than the sum of its proper divisors (1548454686).

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

1042443234 is a wasteful number, since it uses less digits than its factorization.

1042443234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30815 (or 30812 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1042443234 is about 32286.8895064235. The cubic root of 1042443234 is about 1013.9521761229.

Adding to 1042443234 its reverse (4323442401), we get a palindrome (5365885635).

The spelling of 1042443234 in words is "one billion, forty-two million, four hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 271 542 813 1626 1897 2439 3794 4878 5691 11382 17073 30529 34146 61058 91587 183174 213703 274761 427406 549522 641109 1282218 1923327 3846654 8273359 16546718 24820077 49640154 57913513 74460231 115827026 148920462 173740539 347481078 521221617 1042443234