Base | Representation |
---|---|
bin | 10011100100001… |
… | …01101000101111 |
3 | 102102211102111021 |
4 | 21302011220233 |
5 | 314004001411 |
6 | 24141435011 |
7 | 4032020134 |
oct | 1162055057 |
9 | 372742437 |
10 | 164125231 |
11 | 8470a796 |
12 | 46b6ba67 |
13 | 2800632a |
14 | 17b2458b |
15 | e61ea71 |
hex | 9c85a2f |
164125231 has 8 divisors (see below), whose sum is σ = 165426624. Its totient is φ = 162828960.
The previous prime is 164125219. The next prime is 164125301. The reversal of 164125231 is 132521461.
It is a happy number.
164125231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 164125231 - 27 = 164125103 is a prime.
It is a super-2 number, since 2×1641252312 = 53874182901606722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 164125196 and 164125205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164125201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83941 + ... + 85873.
It is an arithmetic number, because the mean of its divisors is an integer number (20678328).
Almost surely, 2164125231 is an apocalyptic number.
164125231 is a deficient number, since it is larger than the sum of its proper divisors (1301393).
164125231 is a wasteful number, since it uses less digits than its factorization.
164125231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2561.
The product of its digits is 1440, while the sum is 25.
The square root of 164125231 is about 12811.1369909154. The cubic root of 164125231 is about 547.5096567037.
Adding to 164125231 its reverse (132521461), we get a palindrome (296646692).
The spelling of 164125231 in words is "one hundred sixty-four million, one hundred twenty-five thousand, two hundred thirty-one".
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