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52533760 = 29520521
BaseRepresentation
bin1100100001100…
…1101000000000
310122211222202211
43020121220000
5101422040020
65113551504
71205346436
oct310315000
9118758684
1052533760
1127721434
1215715594
13ab64786
146d96d56
15492a85a
hex3219a00

52533760 has 40 divisors (see below), whose sum is σ = 125964036. Its totient is φ = 21012480.

The previous prime is 52533739. The next prime is 52533769. The reversal of 52533760 is 6733525.

It can be written as a sum of positive squares in 2 ways, for example, as 52533504 + 256 = 7248^2 + 16^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (52533769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7701 + ... + 12820.

Almost surely, 252533760 is an apocalyptic number.

It is an amenable number.

52533760 is an abundant number, since it is smaller than the sum of its proper divisors (73430276).

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

52533760 is an equidigital number, since it uses as much as digits as its factorization.

52533760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20544 (or 20528 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 52533760 is about 7248.0176600226. The cubic root of 52533760 is about 374.5238638557.

The spelling of 52533760 in words is "fifty-two million, five hundred thirty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 20521 41042 82084 102605 164168 205210 328336 410420 656672 820840 1313344 1641680 2626688 3283360 5253376 6566720 10506752 13133440 26266880 52533760