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52657836 = 22371156989
BaseRepresentation
bin1100100011011…
…1111010101100
310200002021222020
43020313322230
5101440022321
65120350140
71206404250
oct310677254
9120067866
1052657836
11277a6680
1215775350
13aba90aa
146dca260
1549524c6
hex3237eac

52657836 has 48 divisors (see below), whose sum is σ = 153189120. Its totient is φ = 13677120.

The previous prime is 52657811. The next prime is 52657837. The reversal of 52657836 is 63875625.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (52657837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27571 + ... + 29418.

It is an arithmetic number, because the mean of its divisors is an integer number (3191440).

Almost surely, 252657836 is an apocalyptic number.

It is an amenable number.

52657836 is an abundant number, since it is smaller than the sum of its proper divisors (100531284).

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

52657836 is a wasteful number, since it uses less digits than its factorization.

52657836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57014 (or 57012 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 52657836 is about 7256.5719179238. The cubic root of 52657836 is about 374.8184863772.

The spelling of 52657836 in words is "fifty-two million, six hundred fifty-seven thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 56989 113978 170967 227956 341934 398923 626879 683868 797846 1196769 1253758 1595692 1880637 2393538 2507516 3761274 4388153 4787076 7522548 8776306 13164459 17552612 26328918 52657836