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165047156 = 2242198009
BaseRepresentation
bin10011101011001…
…10101101110100
3102111120021010122
421311212231310
5314223002111
624213311112
74042610021
oct1165465564
9374507118
10165047156
118518a40a
1247335498
1328269b51
1417cc4548
15e752cdb
hex9d66b74

165047156 has 12 divisors (see below), whose sum is σ = 289521540. Its totient is φ = 82326720.

The previous prime is 165047153. The next prime is 165047159. The reversal of 165047156 is 651740561.

It is an interprime number because it is at equal distance from previous prime (165047153) and next prime (165047159).

It can be written as a sum of positive squares in 2 ways, for example, as 14592400 + 150454756 = 3820^2 + 12266^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165047153) 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, 47321 + ... + 50688.

It is an arithmetic number, because the mean of its divisors is an integer number (24126795).

Almost surely, 2165047156 is an apocalyptic number.

It is an amenable number.

165047156 is a deficient number, since it is larger than the sum of its proper divisors (124474384).

165047156 is a wasteful number, since it uses less digits than its factorization.

165047156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98434 (or 98432 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 165047156 is about 12847.0679923475. The cubic root of 165047156 is about 548.5329010821.

The spelling of 165047156 in words is "one hundred sixty-five million, forty-seven thousand, one hundred fifty-six".

Divisors: 1 2 4 421 842 1684 98009 196018 392036 41261789 82523578 165047156