Base | Representation |
---|---|
bin | 110001100100… |
… | …1010111100010 |
3 | 1210220110102210 |
4 | 1203021113202 |
5 | 23123200001 |
6 | 2325022550 |
7 | 433626264 |
oct | 143112742 |
9 | 53813383 |
10 | 25990626 |
11 | 13742162 |
12 | 8854a56 |
13 | 550008c |
14 | 3647b34 |
15 | 2435dd6 |
hex | 18c95e2 |
25990626 has 16 divisors (see below), whose sum is σ = 52034400. Its totient is φ = 8654688.
The previous prime is 25990609. The next prime is 25990631. The reversal of 25990626 is 62609952.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7270 + ... + 10238.
It is an arithmetic number, because the mean of its divisors is an integer number (3252150).
Almost surely, 225990626 is an apocalyptic number.
25990626 is an abundant number, since it is smaller than the sum of its proper divisors (26043774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25990626 is a wasteful number, since it uses less digits than its factorization.
25990626 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4433.
The product of its (nonzero) digits is 58320, while the sum is 39.
The square root of 25990626 is about 5098.1002344010. The cubic root of 25990626 is about 296.2139994353.
The spelling of 25990626 in words is "twenty-five million, nine hundred ninety thousand, six hundred twenty-six".
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