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52136544 = 2533117519
BaseRepresentation
bin1100011011100…
…0101001100000
310122002210220010
43012320221200
5101321332134
65101244520
71202103405
oct306705140
9118083803
1052136544
112747aa59
1215563740
13aa55a35
146cd22ac
15489cce9
hex31b8a60

52136544 has 48 divisors (see below), whose sum is σ = 141281280. Its totient is φ = 16817280.

The previous prime is 52136521. The next prime is 52136549. The reversal of 52136544 is 44563125.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5784 + ... + 11735.

It is an arithmetic number, because the mean of its divisors is an integer number (2943360).

Almost surely, 252136544 is an apocalyptic number.

It is an amenable number.

52136544 is an abundant number, since it is smaller than the sum of its proper divisors (89144736).

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

52136544 is a wasteful number, since it uses less digits than its factorization.

52136544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17563 (or 17555 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 52136544 is about 7220.5639668934. The cubic root of 52136544 is about 373.5775301457.

Adding to 52136544 its reverse (44563125), we get a palindrome (96699669).

The spelling of 52136544 in words is "fifty-two million, one hundred thirty-six thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 17519 35038 52557 70076 105114 140152 210228 280304 420456 543089 560608 840912 1086178 1629267 1681824 2172356 3258534 4344712 6517068 8689424 13034136 17378848 26068272 52136544