Base | Representation |
---|---|
bin | 11010100111000100… |
… | …110100000000101100 |
3 | 2201202021212200222010 |
4 | 122213010310000230 |
5 | 432004123013320 |
6 | 21043131321220 |
7 | 2031030210114 |
oct | 324704640054 |
9 | 81667780863 |
10 | 28572860460 |
11 | 111326a8a71 |
12 | 5654bb0210 |
13 | 2904803631 |
14 | 1550ab0044 |
15 | b236c2ae0 |
hex | 6a713402c |
28572860460 has 24 divisors (see below), whose sum is σ = 80004009456. Its totient is φ = 7619429440.
The previous prime is 28572860441. The next prime is 28572860507. The reversal of 28572860460 is 6406827582.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238107111 + ... + 238107230.
It is an arithmetic number, because the mean of its divisors is an integer number (3333500394).
Almost surely, 228572860460 is an apocalyptic number.
28572860460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28572860460 is an abundant number, since it is smaller than the sum of its proper divisors (51431148996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28572860460 is a wasteful number, since it uses less digits than its factorization.
28572860460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476214353 (or 476214351 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 48.
The spelling of 28572860460 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred sixty thousand, four hundred sixty".
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