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156980144 = 2441972467
BaseRepresentation
bin10010101101101…
…01001110110000
3101221101102021102
421112311032300
5310141331034
623324343532
73614211026
oct1126651660
9357342242
10156980144
118067a562
12446a4ba8
13266a4079
1416bc4716
15dbac97e
hex95b53b0

156980144 has 40 divisors (see below), whose sum is σ = 314906928. Its totient is φ = 75755520.

The previous prime is 156980123. The next prime is 156980171. The reversal of 156980144 is 441089651.

156980144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1569801442 = 49285531220521472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156980098 and 156980107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62399 + ... + 64865.

Almost surely, 2156980144 is an apocalyptic number.

It is an amenable number.

156980144 is an abundant number, since it is smaller than the sum of its proper divisors (157926784).

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

156980144 is a wasteful number, since it uses less digits than its factorization.

156980144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 156980144 is about 12529.1717204291. The cubic root of 156980144 is about 539.4463277938.

The spelling of 156980144 in words is "one hundred fifty-six million, nine hundred eighty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 41 82 97 164 194 328 388 656 776 1552 2467 3977 4934 7954 9868 15908 19736 31816 39472 63632 101147 202294 239299 404588 478598 809176 957196 1618352 1914392 3828784 9811259 19622518 39245036 78490072 156980144