Base | Representation |
---|---|
bin | 110111000100… |
… | …0000101110000 |
3 | 2000022200210100 |
4 | 1232020011300 |
5 | 24342301401 |
6 | 2510432400 |
7 | 500245053 |
oct | 156100560 |
9 | 60280710 |
10 | 28868976 |
11 | 15328764 |
12 | 9802700 |
13 | 5c9a246 |
14 | 3b96a9a |
15 | 2803b86 |
hex | 1b88170 |
28868976 has 60 divisors (see below), whose sum is σ = 81154528. Its totient is φ = 9580032.
The previous prime is 28868963. The next prime is 28868989. The reversal of 28868976 is 67986882.
It is an interprime number because it is at equal distance from previous prime (28868963) and next prime (28868989).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62121 + ... + 62583.
Almost surely, 228868976 is an apocalyptic number.
It is an amenable number.
28868976 is an abundant number, since it is smaller than the sum of its proper divisors (52285552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28868976 is a wasteful number, since it uses less digits than its factorization.
28868976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910 (or 901 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 54.
The square root of 28868976 is about 5372.9857621252. The cubic root of 28868976 is about 306.7682860037.
The spelling of 28868976 in words is "twenty-eight million, eight hundred sixty-eight thousand, nine hundred seventy-six".
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