Base | Representation |
---|---|
bin | 110001100010… |
… | …1100100000010 |
3 | 1210212200001121 |
4 | 1203011210002 |
5 | 23122200132 |
6 | 2324422454 |
7 | 433532662 |
oct | 143054402 |
9 | 53780047 |
10 | 25975042 |
11 | 13731485 |
12 | 8847a2a |
13 | 54c5c62 |
14 | 36421a2 |
15 | 2431497 |
hex | 18c5902 |
25975042 has 12 divisors (see below), whose sum is σ = 39480966. Its totient is φ = 12816960.
The previous prime is 25975009. The next prime is 25975049. The reversal of 25975042 is 24057952.
It can be written as a sum of positive squares in only one way, i.e., 23222761 + 2752281 = 4819^2 + 1659^2 .
It is a junction number, because it is equal to n+sod(n) for n = 25974989 and 25975007.
It is not an unprimeable number, because it can be changed into a prime (25975049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11442 + ... + 13522.
Almost surely, 225975042 is an apocalyptic number.
25975042 is a deficient number, since it is larger than the sum of its proper divisors (13505924).
25975042 is an equidigital number, since it uses as much as digits as its factorization.
25975042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2241 (or 2162 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 34.
The square root of 25975042 is about 5096.5715927474. The cubic root of 25975042 is about 296.1547842154.
The spelling of 25975042 in words is "twenty-five million, nine hundred seventy-five thousand, forty-two".
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