Base | Representation |
---|---|
bin | 110000000111… |
… | …1001011010000 |
3 | 1202110201021210 |
4 | 1200033023100 |
5 | 22424243414 |
6 | 2300420120 |
7 | 424301655 |
oct | 140171320 |
9 | 52421253 |
10 | 25227984 |
11 | 13271181 |
12 | 8547640 |
13 | 52c3c02 |
14 | 34c9c2c |
15 | 2334e59 |
hex | 180f2d0 |
25227984 has 20 divisors (see below), whose sum is σ = 65172416. Its totient is φ = 8409312.
The previous prime is 25227973. The next prime is 25227989. The reversal of 25227984 is 48972252.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25227989) 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, 262744 + ... + 262839.
Almost surely, 225227984 is an apocalyptic number.
25227984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
25227984 is an abundant number, since it is smaller than the sum of its proper divisors (39944432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25227984 is a wasteful number, since it uses less digits than its factorization.
25227984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525594 (or 525588 counting only the distinct ones).
The product of its digits is 80640, while the sum is 39.
The square root of 25227984 is about 5022.7466589507. The cubic root of 25227984 is about 293.2879245596.
The spelling of 25227984 in words is "twenty-five million, two hundred twenty-seven thousand, nine hundred eighty-four".
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