Base | Representation |
---|---|
bin | 11011100111001… |
… | …01000111110001 |
3 | 121010211210001011 |
4 | 31303211013301 |
5 | 433244001301 |
6 | 34552310521 |
7 | 5511532063 |
oct | 1563450761 |
9 | 533753034 |
10 | 231625201 |
11 | 109823495 |
12 | 656a2441 |
13 | 38caac42 |
14 | 22a95733 |
15 | 15504a51 |
hex | dce51f1 |
231625201 has 2 divisors, whose sum is σ = 231625202. Its totient is φ = 231625200.
The previous prime is 231625183. The next prime is 231625213. The reversal of 231625201 is 102526132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 229219600 + 2405601 = 15140^2 + 1551^2 .
It is a cyclic number.
It is not a de Polignac number, because 231625201 - 25 = 231625169 is a prime.
It is not a weakly prime, because it can be changed into another prime (231625271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115812600 + 115812601.
It is an arithmetic number, because the mean of its divisors is an integer number (115812601).
Almost surely, 2231625201 is an apocalyptic number.
It is an amenable number.
231625201 is a deficient number, since it is larger than the sum of its proper divisors (1).
231625201 is an equidigital number, since it uses as much as digits as its factorization.
231625201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 231625201 is about 15219.2378587103. The cubic root of 231625201 is about 614.1322956201.
The spelling of 231625201 in words is "two hundred thirty-one million, six hundred twenty-five thousand, two hundred one".
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