Base | Representation |
---|---|
bin | 101111111100… |
… | …0111101000101 |
3 | 1202022002102201 |
4 | 1133320331011 |
5 | 22413340330 |
6 | 2254434501 |
7 | 423442420 |
oct | 137707505 |
9 | 52262381 |
10 | 25136965 |
11 | 13209857 |
12 | 8502a31 |
13 | 5291659 |
14 | 34a49b7 |
15 | 2317eca |
hex | 17f8f45 |
25136965 has 32 divisors (see below), whose sum is σ = 37013760. Its totient is φ = 15995904.
The previous prime is 25136957. The next prime is 25136987. The reversal of 25136965 is 56963152.
It is a cyclic number.
It is not a de Polignac number, because 25136965 - 23 = 25136957 is a prime.
It is a super-2 number, since 2×251369652 = 1263734018822450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49131 + ... + 49639.
It is an arithmetic number, because the mean of its divisors is an integer number (1156680).
Almost surely, 225136965 is an apocalyptic number.
It is an amenable number.
25136965 is a deficient number, since it is larger than the sum of its proper divisors (11876795).
25136965 is a wasteful number, since it uses less digits than its factorization.
25136965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 621.
The product of its digits is 48600, while the sum is 37.
The square root of 25136965 is about 5013.6777918011. The cubic root of 25136965 is about 292.9347857361.
The spelling of 25136965 in words is "twenty-five million, one hundred thirty-six thousand, nine hundred sixty-five".
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