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164256023 = 17471671231
BaseRepresentation
bin10011100101001…
…01100100010111
3102110002001220102
421302211210113
5314022143043
624144324315
74033103351
oct1162454427
9373061812
10164256023
1184799a88
124701369b
1328050a19
1417b5a0d1
15e6486b8
hex9ca5917

164256023 has 16 divisors (see below), whose sum is σ = 178827264. Its totient is φ = 150276480.

The previous prime is 164256019. The next prime is 164256031. The reversal of 164256023 is 320652461.

164256023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 164256023 - 22 = 164256019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164256223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132818 + ... + 134048.

It is an arithmetic number, because the mean of its divisors is an integer number (11176704).

Almost surely, 2164256023 is an apocalyptic number.

164256023 is a deficient number, since it is larger than the sum of its proper divisors (14571241).

164256023 is a wasteful number, since it uses less digits than its factorization.

164256023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164256023 is about 12816.2405954320. The cubic root of 164256023 is about 547.6550555737.

The spelling of 164256023 in words is "one hundred sixty-four million, two hundred fifty-six thousand, twenty-three".

Divisors: 1 17 47 167 799 1231 2839 7849 20927 57857 133433 205577 983569 3494809 9662119 164256023