Base | Representation |
---|---|
bin | 110110101100… |
… | …0001110100100 |
3 | 1222221201212110 |
4 | 1231120032210 |
5 | 24320013212 |
6 | 2502321020 |
7 | 465500361 |
oct | 155301644 |
9 | 58851773 |
10 | 28672932 |
11 | 15204442 |
12 | 9729170 |
13 | 5c2bc42 |
14 | 3b45468 |
15 | 27b5a3c |
hex | 1b583a4 |
28672932 has 24 divisors (see below), whose sum is σ = 67032000. Its totient is φ = 9539296.
The previous prime is 28672921. The next prime is 28672933. The reversal of 28672932 is 23927682.
It is not an unprimeable number, because it can be changed into a prime (28672933) 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, 5194 + ... + 9182.
It is an arithmetic number, because the mean of its divisors is an integer number (2793000).
Almost surely, 228672932 is an apocalyptic number.
It is an amenable number.
28672932 is an abundant number, since it is smaller than the sum of its proper divisors (38359068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28672932 is a wasteful number, since it uses less digits than its factorization.
28672932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4595 (or 4593 counting only the distinct ones).
The product of its digits is 72576, while the sum is 39.
The square root of 28672932 is about 5354.7111966940. The cubic root of 28672932 is about 306.0723055244.
The spelling of 28672932 in words is "twenty-eight million, six hundred seventy-two thousand, nine hundred thirty-two".
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