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1072617142 = 21722989719
BaseRepresentation
bin111111111011101…
…101011010110110
32202202022121002211
4333323231122312
54144042222032
6254233524034
735403044452
oct7773553266
92682277084
101072617142
11500512153
1225b27361a
131412b3ccc
14a2651662
1564277747
hex3feed6b6

1072617142 has 48 divisors (see below), whose sum is σ = 1790424000. Its totient is φ = 481209344.

The previous prime is 1072617103. The next prime is 1072617149. The reversal of 1072617142 is 2417162701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072617149) 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, 1491459 + ... + 1492177.

It is an arithmetic number, because the mean of its divisors is an integer number (37300500).

Almost surely, 21072617142 is an apocalyptic number.

1072617142 is a deficient number, since it is larger than the sum of its proper divisors (717806858).

1072617142 is a wasteful number, since it uses less digits than its factorization.

1072617142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1072617142 is about 32750.8342183829. The cubic root of 1072617142 is about 1023.6423483186.

Adding to 1072617142 its reverse (2417162701), we get a palindrome (3489779843).

The spelling of 1072617142 in words is "one billion, seventy-two million, six hundred seventeen thousand, one hundred forty-two".

Divisors: 1 2 17 29 34 58 89 178 289 493 578 719 986 1438 1513 2581 3026 5162 8381 12223 16762 20851 24446 25721 41702 43877 51442 63991 87754 127982 207791 354467 415582 708934 745909 1087847 1491818 1855739 2175694 3711478 6025939 12051878 18493399 31547563 36986798 63095126 536308571 1072617142