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156109836 = 22335713643
BaseRepresentation
bin10010100111000…
…00110000001100
3101212202012102210
421103200300030
5304431003321
623253550420
73603624501
oct1123406014
9355665383
10156109836
11801356a3
1244345410
132645abac
1416a394a8
15da89b76
hex94e0c0c

156109836 has 24 divisors (see below), whose sum is σ = 364458304. Its totient is φ = 52007760.

The previous prime is 156109801. The next prime is 156109841. The reversal of 156109836 is 638901651.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 156109794 and 156109803.

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, 41031 + ... + 44673.

Almost surely, 2156109836 is an apocalyptic number.

It is an amenable number.

156109836 is an abundant number, since it is smaller than the sum of its proper divisors (208348468).

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

156109836 is a wasteful number, since it uses less digits than its factorization.

156109836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221 (or 7219 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 156109836 is about 12494.3921820951. The cubic root of 156109836 is about 538.4475714284.

The spelling of 156109836 in words is "one hundred fifty-six million, one hundred nine thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 3571 3643 7142 7286 10713 10929 14284 14572 21426 21858 42852 43716 13009153 26018306 39027459 52036612 78054918 156109836