Base | Representation |
---|---|
bin | 110101111010… |
… | …0100011110100 |
3 | 1222011222212110 |
4 | 1223310203310 |
5 | 24213432232 |
6 | 2445451020 |
7 | 462150231 |
oct | 153644364 |
9 | 58158773 |
10 | 28264692 |
11 | 14a55755 |
12 | 9570a70 |
13 | 5b18191 |
14 | 3a7a788 |
15 | 2734acc |
hex | 1af48f4 |
28264692 has 24 divisors (see below), whose sum is σ = 66570336. Its totient is φ = 9333088.
The previous prime is 28264679. The next prime is 28264697. The reversal of 28264692 is 29646282.
It is a self number, because there is not a number n which added to its sum of digits gives 28264692.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28264697) 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, 9723 + ... + 12290.
It is an arithmetic number, because the mean of its divisors is an integer number (2773764).
Almost surely, 228264692 is an apocalyptic number.
It is an amenable number.
28264692 is an abundant number, since it is smaller than the sum of its proper divisors (38305644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28264692 is a wasteful number, since it uses less digits than its factorization.
28264692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22127 (or 22125 counting only the distinct ones).
The product of its digits is 82944, while the sum is 39.
The square root of 28264692 is about 5316.4548338155. The cubic root of 28264692 is about 304.6127558774.
The spelling of 28264692 in words is "twenty-eight million, two hundred sixty-four thousand, six hundred ninety-two".
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