Base | Representation |
---|---|
bin | 11110000111011… |
… | …10111101100111 |
3 | 122121101021212002 |
4 | 33003232331213 |
5 | 1004133341111 |
6 | 41022515515 |
7 | 6155244053 |
oct | 1703567547 |
9 | 577337762 |
10 | 252637031 |
11 | 11a674a39 |
12 | 70735b9b |
13 | 40456a8a |
14 | 257a4c63 |
15 | 172a563b |
hex | f0eef67 |
252637031 has 2 divisors, whose sum is σ = 252637032. Its totient is φ = 252637030.
The previous prime is 252637001. The next prime is 252637069. The reversal of 252637031 is 130736252.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 252637031 - 214 = 252620647 is a prime.
It is a super-2 number, since 2×2526370312 = 127650938864989922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 252636985 and 252637003.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252637001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126318515 + 126318516.
It is an arithmetic number, because the mean of its divisors is an integer number (126318516).
Almost surely, 2252637031 is an apocalyptic number.
252637031 is a deficient number, since it is larger than the sum of its proper divisors (1).
252637031 is an equidigital number, since it uses as much as digits as its factorization.
252637031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 252637031 is about 15894.5597925831. The cubic root of 252637031 is about 632.1677495944.
The spelling of 252637031 in words is "two hundred fifty-two million, six hundred thirty-seven thousand, thirty-one".
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