Base | Representation |
---|---|
bin | 10011100101011… |
… | …11010010010111 |
3 | 102110011002111210 |
4 | 21302233102113 |
5 | 314024431311 |
6 | 24145232503 |
7 | 4033330410 |
oct | 1162572227 |
9 | 373132453 |
10 | 164295831 |
11 | 84816987 |
12 | 47032733 |
13 | 28065b8b |
14 | 17b6a807 |
15 | e6553a6 |
hex | 9caf497 |
164295831 has 32 divisors (see below), whose sum is σ = 275005440. Its totient is φ = 85070304.
The previous prime is 164295829. The next prime is 164295839. The reversal of 164295831 is 138592461.
It is not a de Polignac number, because 164295831 - 21 = 164295829 is a prime.
It is a super-2 number, since 2×1642958312 = 53986240167961122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 164295831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164295839) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226 + ... + 18128.
It is an arithmetic number, because the mean of its divisors is an integer number (8593920).
Almost surely, 2164295831 is an apocalyptic number.
164295831 is a deficient number, since it is larger than the sum of its proper divisors (110709609).
164295831 is a wasteful number, since it uses less digits than its factorization.
164295831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17955.
The product of its digits is 51840, while the sum is 39.
The square root of 164295831 is about 12817.7935308695. The cubic root of 164295831 is about 547.6992940154.
The spelling of 164295831 in words is "one hundred sixty-four million, two hundred ninety-five thousand, eight hundred thirty-one".
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