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53045052 = 2234420421
BaseRepresentation
bin1100101001011…
…0011100111100
310200210222010120
43022112130330
5102034420202
65132534540
71212606204
oct312263474
9120728116
1053045052
1127a40595
1215921450
13acb3408
14708b404
1549cc0bc
hex329673c

53045052 has 12 divisors (see below), whose sum is σ = 123771816. Its totient is φ = 17681680.

The previous prime is 53045033. The next prime is 53045053. The reversal of 53045052 is 25054035.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53045053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210199 + ... + 2210222.

It is an arithmetic number, because the mean of its divisors is an integer number (10314318).

Almost surely, 253045052 is an apocalyptic number.

It is an amenable number.

53045052 is an abundant number, since it is smaller than the sum of its proper divisors (70726764).

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

53045052 is a wasteful number, since it uses less digits than its factorization.

53045052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420428 (or 4420426 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53045052 is about 7283.2034160800. The cubic root of 53045052 is about 375.7349781003.

Adding to 53045052 its reverse (25054035), we get a palindrome (78099087).

The spelling of 53045052 in words is "fifty-three million, forty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 4420421 8840842 13261263 17681684 26522526 53045052