Base | Representation |
---|---|
bin | 101111111110… |
… | …1000101001100 |
3 | 1202022221121202 |
4 | 1133331011030 |
5 | 22414410433 |
6 | 2255045032 |
7 | 423542615 |
oct | 137750514 |
9 | 52287552 |
10 | 25153868 |
11 | 13220523 |
12 | 8510778 |
13 | 529925c |
14 | 34aac0c |
15 | 231cee8 |
hex | 17fd14c |
25153868 has 12 divisors (see below), whose sum is σ = 44058840. Its totient is φ = 12565632.
The previous prime is 25153867. The next prime is 25153879. The reversal of 25153868 is 86835152.
It is a super-2 number, since 2×251538682 = 1265434150722848, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (25153867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028 + ... + 8156.
It is an arithmetic number, because the mean of its divisors is an integer number (3671570).
Almost surely, 225153868 is an apocalyptic number.
It is an amenable number.
25153868 is a deficient number, since it is larger than the sum of its proper divisors (18904972).
25153868 is a wasteful number, since it uses less digits than its factorization.
25153868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5656 (or 5654 counting only the distinct ones).
The product of its digits is 57600, while the sum is 38.
The square root of 25153868 is about 5015.3631972171. The cubic root of 25153868 is about 293.0004309887. Note that the first 3 decimals are identical.
The spelling of 25153868 in words is "twenty-five million, one hundred fifty-three thousand, eight hundred sixty-eight".
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