Base | Representation |
---|---|
bin | 101111110100… |
… | …0001110001111 |
3 | 1202011121102102 |
4 | 1133220032033 |
5 | 22404142211 |
6 | 2253145315 |
7 | 423035543 |
oct | 137501617 |
9 | 52147372 |
10 | 25068431 |
11 | 13172313 |
12 | 848b23b |
13 | 52693bb |
14 | 3487a23 |
15 | 2302a3b |
hex | 17e838f |
25068431 has 2 divisors, whose sum is σ = 25068432. Its totient is φ = 25068430.
The previous prime is 25068409. The next prime is 25068443. The reversal of 25068431 is 13486052.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25068431 - 222 = 20874127 is a prime.
It is a super-2 number, since 2×250684312 = 1256852465603522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25068394 and 25068403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25068031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534215 + 12534216.
It is an arithmetic number, because the mean of its divisors is an integer number (12534216).
Almost surely, 225068431 is an apocalyptic number.
25068431 is a deficient number, since it is larger than the sum of its proper divisors (1).
25068431 is an equidigital number, since it uses as much as digits as its factorization.
25068431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 25068431 is about 5006.8384235963. The cubic root of 25068431 is about 292.6683220440.
The spelling of 25068431 in words is "twenty-five million, sixty-eight thousand, four hundred thirty-one".
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