Base | Representation |
---|---|
bin | 101111110110… |
… | …1000010100001 |
3 | 1202012121111011 |
4 | 1133231002201 |
5 | 22410310121 |
6 | 2253420521 |
7 | 423150220 |
oct | 137550241 |
9 | 52177434 |
10 | 25088161 |
11 | 1318611a |
12 | 849a741 |
13 | 5275387 |
14 | 3490cb7 |
15 | 23087e1 |
hex | 17ed0a1 |
25088161 has 16 divisors (see below), whose sum is σ = 30038400. Its totient is φ = 20498688.
The previous prime is 25088159. The next prime is 25088191. The reversal of 25088161 is 16188052.
25088161 = T34 + T35 + ... + T531.
It is not a de Polignac number, because 25088161 - 21 = 25088159 is a prime.
It is not an unprimeable number, because it can be changed into a prime (25088191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16105 + ... + 17593.
It is an arithmetic number, because the mean of its divisors is an integer number (1877400).
Almost surely, 225088161 is an apocalyptic number.
It is an amenable number.
25088161 is a deficient number, since it is larger than the sum of its proper divisors (4950239).
25088161 is a wasteful number, since it uses less digits than its factorization.
25088161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1608.
The product of its (nonzero) digits is 3840, while the sum is 31.
The square root of 25088161 is about 5008.8083413123. The cubic root of 25088161 is about 292.7450830210.
The spelling of 25088161 in words is "twenty-five million, eighty-eight thousand, one hundred sixty-one".
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