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164545475 = 5237177887
BaseRepresentation
bin10011100111011…
…00001111000011
3102110121202221212
421303230033003
5314110423400
624154440335
74035420263
oct1163541703
9373552855
10164545475
11849774a6
12471330ab
13281226b3
1417bd37a3
15e6a4335
hex9cec3c3

164545475 has 12 divisors (see below), whose sum is σ = 209552064. Its totient is φ = 128077920.

The previous prime is 164545441. The next prime is 164545483. The reversal of 164545475 is 574545461.

It is not a de Polignac number, because 164545475 - 214 = 164529091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88019 + ... + 89868.

It is an arithmetic number, because the mean of its divisors is an integer number (17462672).

Almost surely, 2164545475 is an apocalyptic number.

164545475 is a deficient number, since it is larger than the sum of its proper divisors (45006589).

164545475 is a wasteful number, since it uses less digits than its factorization.

164545475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177934 (or 177929 counting only the distinct ones).

The product of its digits is 336000, while the sum is 41.

The square root of 164545475 is about 12827.5280159507. The cubic root of 164545475 is about 547.9765594161.

The spelling of 164545475 in words is "one hundred sixty-four million, five hundred forty-five thousand, four hundred seventy-five".

Divisors: 1 5 25 37 185 925 177887 889435 4447175 6581819 32909095 164545475