Base | Representation |
---|---|
bin | 110110100110… |
… | …0100111011100 |
3 | 1222212022121222 |
4 | 1231030213130 |
5 | 24312002442 |
6 | 2501312512 |
7 | 465211616 |
oct | 155144734 |
9 | 58768558 |
10 | 28625372 |
11 | 15181736 |
12 | 9705738 |
13 | 5c133b9 |
14 | 3b31db6 |
15 | 27a68d2 |
hex | 1b4c9dc |
28625372 has 24 divisors (see below), whose sum is σ = 51123072. Its totient is φ = 14022000.
The previous prime is 28625371. The next prime is 28625411. The reversal of 28625372 is 27352682.
It is a Smith number, since the sum of its digits (35) 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 (28625371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49847 + ... + 50417.
It is an arithmetic number, because the mean of its divisors is an integer number (2130128).
Almost surely, 228625372 is an apocalyptic number.
It is an amenable number.
28625372 is a deficient number, since it is larger than the sum of its proper divisors (22497700).
28625372 is a wasteful number, since it uses less digits than its factorization.
28625372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 809 (or 807 counting only the distinct ones).
The product of its digits is 40320, while the sum is 35.
The square root of 28625372 is about 5350.2684044822. The cubic root of 28625372 is about 305.9029837547.
The spelling of 28625372 in words is "twenty-eight million, six hundred twenty-five thousand, three hundred seventy-two".
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