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53424265 = 5534492
BaseRepresentation
bin1100101111001…
…1000010001001
310201112020022111
43023303002021
5102134034030
65145022321
71216045606
oct313630211
9121466274
1053424265
112817a494
1215a849a1
13b0b6bbb
1471496ad
154a5462a
hex32f3089

53424265 has 12 divisors (see below), whose sum is σ = 65464524. Its totient is φ = 41839616.

The previous prime is 53424229. The next prime is 53424269. The reversal of 53424265 is 56242435.

It can be written as a sum of positive squares in 6 ways, for example, as 1281424 + 52142841 = 1132^2 + 7221^2 .

It is not a de Polignac number, because 53424265 - 29 = 53423753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53424269) 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, 118761 + ... + 119209.

It is an arithmetic number, because the mean of its divisors is an integer number (5455377).

Almost surely, 253424265 is an apocalyptic number.

It is an amenable number.

53424265 is a deficient number, since it is larger than the sum of its proper divisors (12040259).

53424265 is an frugal number, since it uses more digits than its factorization.

53424265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 507 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 53424265 is about 7309.1904476488. The cubic root of 53424265 is about 376.6282150252.

The spelling of 53424265 in words is "fifty-three million, four hundred twenty-four thousand, two hundred sixty-five".

Divisors: 1 5 53 265 449 2245 23797 118985 201601 1008005 10684853 53424265