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53495015 = 572972251
BaseRepresentation
bin1100110000010…
…0010011100111
310201122211100212
43030010103213
5102143320030
65150330035
71216462100
oct314042347
9121584325
1053495015
1128218662
1215ab991b
13b110172
1471673a7
154a6a595
hex33044e7

53495015 has 24 divisors (see below), whose sum is σ = 75478032. Its totient is φ = 36288000.

The previous prime is 53495009. The next prime is 53495017. The reversal of 53495015 is 51059435.

It is not a de Polignac number, because 53495015 - 24 = 53494999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53495017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22640 + ... + 24890.

It is an arithmetic number, because the mean of its divisors is an integer number (3144918).

Almost surely, 253495015 is an apocalyptic number.

53495015 is a deficient number, since it is larger than the sum of its proper divisors (21983017).

53495015 is a wasteful number, since it uses less digits than its factorization.

53495015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 53495015 is about 7314.0286436409. The cubic root of 53495015 is about 376.7943985138.

The spelling of 53495015 in words is "fifty-three million, four hundred ninety-five thousand, fifteen".

Divisors: 1 5 7 35 49 97 245 485 679 2251 3395 4753 11255 15757 23765 78785 110299 218347 551495 1091735 1528429 7642145 10699003 53495015