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53250444 = 223213113783
BaseRepresentation
bin1100101100100…
…0100110001100
310201012101212200
43023020212030
5102113003234
65141201500
71214423052
oct313104614
9121171780
1053250444
1128070935
1215a00290
13b055a50
1471021d2
154a1cd99
hex32c898c

53250444 has 36 divisors (see below), whose sum is σ = 144960816. Its totient is φ = 16384608.

The previous prime is 53250427. The next prime is 53250487. The reversal of 53250444 is 44405235.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56424 + ... + 57359.

Almost surely, 253250444 is an apocalyptic number.

It is an amenable number.

53250444 is an abundant number, since it is smaller than the sum of its proper divisors (91710372).

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

53250444 is a wasteful number, since it uses less digits than its factorization.

53250444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113806 (or 113801 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53250444 is about 7297.2901819785. The cubic root of 53250444 is about 376.2193058186.

Adding to 53250444 its reverse (44405235), we get a palindrome (97655679).

The spelling of 53250444 in words is "fifty-three million, two hundred fifty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 113783 227566 341349 455132 682698 1024047 1365396 1479179 2048094 2958358 4096188 4437537 5916716 8875074 13312611 17750148 26625222 53250444