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52642752 = 263487563
BaseRepresentation
bin1100100011010…
…0001111000000
310200001112021120
43020310033000
5101434032002
65120152240
71206312261
oct310641700
9120045246
1052642752
1127796308
1215768680
13aba2276
146dc4968
15494ccbc
hex32343c0

52642752 has 56 divisors (see below), whose sum is σ = 139817856. Its totient is φ = 17480448.

The previous prime is 52642703. The next prime is 52642757. The reversal of 52642752 is 25724625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93223 + ... + 93785.

Almost surely, 252642752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52642752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69908928).

52642752 is an abundant number, since it is smaller than the sum of its proper divisors (87175104).

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

52642752 is a wasteful number, since it uses less digits than its factorization.

52642752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1055 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 52642752 is about 7255.5325097473. The cubic root of 52642752 is about 374.7826936544.

The spelling of 52642752 in words is "fifty-two million, six hundred forty-two thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 487 563 974 1126 1461 1689 1948 2252 2922 3378 3896 4504 5844 6756 7792 9008 11688 13512 15584 18016 23376 27024 31168 36032 46752 54048 93504 108096 274181 548362 822543 1096724 1645086 2193448 3290172 4386896 6580344 8773792 13160688 17547584 26321376 52642752