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155596868 = 2275557031
BaseRepresentation
bin10010100011000…
…11100001000100
3101211210010202222
421101203201010
5304313044433
623234551512
73566360120
oct1121434104
9354703688
10155596868
117a915259
1244138598
132630b56b
1416944580
15d9d7b98
hex9463844

155596868 has 12 divisors (see below), whose sum is σ = 311193792. Its totient is φ = 66684360.

The previous prime is 155596867. The next prime is 155596879. The reversal of 155596868 is 868695551.

155596868 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (155596867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778488 + ... + 2778543.

It is an arithmetic number, because the mean of its divisors is an integer number (25932816).

Almost surely, 2155596868 is an apocalyptic number.

It is an amenable number.

155596868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155596868 is a wasteful number, since it uses less digits than its factorization.

155596868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557042 (or 5557040 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 53.

The square root of 155596868 is about 12473.8473615801. The cubic root of 155596868 is about 537.8571549473.

The spelling of 155596868 in words is "one hundred fifty-five million, five hundred ninety-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 5557031 11114062 22228124 38899217 77798434 155596868