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164749075 = 526589963
BaseRepresentation
bin10011101000111…
…01111100010011
3102111000010020121
421310131330103
5314133432300
624203051111
74040226001
oct1164357423
9374003217
10164749075
1184aa6467
1247210a97
132819427a
1417c47a71
15e6e481a
hex9d1df13

164749075 has 6 divisors (see below), whose sum is σ = 204288884. Its totient is φ = 131799240.

The previous prime is 164749073. The next prime is 164749103. The reversal of 164749075 is 570947461.

It is not a de Polignac number, because 164749075 - 21 = 164749073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164749073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3294957 + ... + 3295006.

Almost surely, 2164749075 is an apocalyptic number.

164749075 is a deficient number, since it is larger than the sum of its proper divisors (39539809).

164749075 is an equidigital number, since it uses as much as digits as its factorization.

164749075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589973 (or 6589968 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 164749075 is about 12835.4616200587. The cubic root of 164749075 is about 548.2024788121.

The spelling of 164749075 in words is "one hundred sixty-four million, seven hundred forty-nine thousand, seventy-five".

Divisors: 1 5 25 6589963 32949815 164749075