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53085700 = 2252530857
BaseRepresentation
bin1100101010000…
…0011000000100
310200220000220001
43022200120010
5102042220300
65133451044
71213135543
oct312403004
9120800801
1053085700
1127a69088
1215940a84
13acc8a75
14709c15a
1549d916a
hex32a0604

53085700 has 18 divisors (see below), whose sum is σ = 115196186. Its totient is φ = 21234240.

The previous prime is 53085667. The next prime is 53085727. The reversal of 53085700 is 758035.

It can be written as a sum of positive squares in 3 ways, for example, as 4393216 + 48692484 = 2096^2 + 6978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265329 + ... + 265528.

Almost surely, 253085700 is an apocalyptic number.

53085700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53085700 is an abundant number, since it is smaller than the sum of its proper divisors (62110486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53085700 is a wasteful number, since it uses less digits than its factorization.

53085700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530871 (or 530864 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 53085700 is about 7285.9934120201. The cubic root of 53085700 is about 375.8309278343.

The spelling of 53085700 in words is "fifty-three million, eighty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 530857 1061714 2123428 2654285 5308570 10617140 13271425 26542850 53085700