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164553256 = 2372938451
BaseRepresentation
bin10011100111011…
…10001000101000
3102110122011122001
421303232020220
5314111201011
624154540344
74035452050
oct1163561050
9373564561
10164553256
118498232a
12471376b4
13281260ba
1417bd6560
15e6a67c1
hex9cee228

164553256 has 16 divisors (see below), whose sum is σ = 352614240. Its totient is φ = 70522800.

The previous prime is 164553253. The next prime is 164553271. The reversal of 164553256 is 652355461.

It is not an unprimeable number, because it can be changed into a prime (164553253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469170 + ... + 1469281.

It is an arithmetic number, because the mean of its divisors is an integer number (22038390).

Almost surely, 2164553256 is an apocalyptic number.

It is an amenable number.

164553256 is an abundant number, since it is smaller than the sum of its proper divisors (188060984).

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

164553256 is a wasteful number, since it uses less digits than its factorization.

164553256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938464 (or 2938460 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 164553256 is about 12827.8313054078. The cubic root of 164553256 is about 547.9851968225.

The spelling of 164553256 in words is "one hundred sixty-four million, five hundred fifty-three thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 2938451 5876902 11753804 20569157 23507608 41138314 82276628 164553256