Base | Representation |
---|---|
bin | 101111110001… |
… | …1100010111011 |
3 | 1202010122010221 |
4 | 1133203202323 |
5 | 22403034100 |
6 | 2252520511 |
7 | 422625646 |
oct | 137434273 |
9 | 52118127 |
10 | 25049275 |
11 | 13159989 |
12 | 8480137 |
13 | 5260774 |
14 | 3480a5d |
15 | 22ec01a |
hex | 17e38bb |
25049275 has 12 divisors (see below), whose sum is σ = 31339512. Its totient is φ = 19859840.
The previous prime is 25049221. The next prime is 25049281. The reversal of 25049275 is 57294052.
It is not a de Polignac number, because 25049275 - 211 = 25047227 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25049275.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609 + ... + 7258.
It is an arithmetic number, because the mean of its divisors is an integer number (2611626).
Almost surely, 225049275 is an apocalyptic number.
25049275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
25049275 is a deficient number, since it is larger than the sum of its proper divisors (6290237).
25049275 is a wasteful number, since it uses less digits than its factorization.
25049275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8990 (or 8985 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 34.
The square root of 25049275 is about 5004.9250743643. The cubic root of 25049275 is about 292.5937557098.
The spelling of 25049275 in words is "twenty-five million, forty-nine thousand, two hundred seventy-five".
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