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52359891 = 323232993
BaseRepresentation
bin1100011110111…
…1001011010011
310122112011021020
43013233023103
5101401004031
65110130523
71204023513
oct307571323
9118464236
1052359891
1127612841
1215650a43
13ab035ac
146d4d843
1548e4096
hex31ef2d3

52359891 has 12 divisors (see below), whose sum is σ = 72982728. Its totient is φ = 33387904.

The previous prime is 52359889. The next prime is 52359913. The reversal of 52359891 is 19895325.

It is not a de Polignac number, because 52359891 - 21 = 52359889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52359821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14910 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (6081894).

Almost surely, 252359891 is an apocalyptic number.

52359891 is a deficient number, since it is larger than the sum of its proper divisors (20622837).

52359891 is a wasteful number, since it uses less digits than its factorization.

52359891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33042 (or 33019 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 52359891 is about 7236.0134742826. The cubic root of 52359891 is about 374.1102246917.

The spelling of 52359891 in words is "fifty-two million, three hundred fifty-nine thousand, eight hundred ninety-one".

Divisors: 1 3 23 69 529 1587 32993 98979 758839 2276517 17453297 52359891