Base | Representation |
---|---|
bin | 110111001101… |
… | …0000010100000 |
3 | 2000110102122022 |
4 | 1232122002200 |
5 | 24402124441 |
6 | 2512201012 |
7 | 501002312 |
oct | 156320240 |
9 | 60412568 |
10 | 28942496 |
11 | 15378a20 |
12 | 9839168 |
13 | 5cc484b |
14 | 3bb57b2 |
15 | 281a84b |
hex | 1b9a0a0 |
28942496 has 24 divisors (see below), whose sum is σ = 62161344. Its totient is φ = 13155520.
The previous prime is 28942489. The next prime is 28942513. The reversal of 28942496 is 69424982.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40760 + ... + 41463.
It is an arithmetic number, because the mean of its divisors is an integer number (2590056).
Almost surely, 228942496 is an apocalyptic number.
It is an amenable number.
28942496 is an abundant number, since it is smaller than the sum of its proper divisors (33218848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28942496 is a wasteful number, since it uses less digits than its factorization.
28942496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82244 (or 82236 counting only the distinct ones).
The product of its digits is 248832, while the sum is 44.
The square root of 28942496 is about 5379.8230454170. The cubic root of 28942496 is about 307.0284786506.
It can be divided in two parts, 2 and 8942496, that added together give a palindrome (8942498).
The spelling of 28942496 in words is "twenty-eight million, nine hundred forty-two thousand, four hundred ninety-six".
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