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28572860460 = 2235476214341
BaseRepresentation
bin11010100111000100…
…110100000000101100
32201202021212200222010
4122213010310000230
5432004123013320
621043131321220
72031030210114
oct324704640054
981667780863
1028572860460
11111326a8a71
125654bb0210
132904803631
141550ab0044
15b236c2ae0
hex6a713402c

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".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 476214341 952428682 1428643023 1904857364 2381071705 2857286046 4762143410 5714572092 7143215115 9524286820 14286430230 28572860460