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52663155 = 3519257719
BaseRepresentation
bin1100100011100…
…1001101110011
310200002120021020
43020321031303
5101440210110
65120430523
71206425616
oct310711563
9120076236
1052663155
11277aa676
1215778443
13abab63c
146dcc17d
154953d70
hex3239373

52663155 has 32 divisors (see below), whose sum is σ = 89164800. Its totient is φ = 26468352.

The previous prime is 52663151. The next prime is 52663157. The reversal of 52663155 is 55136625.

It is not a de Polignac number, because 52663155 - 22 = 52663151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52663151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72886 + ... + 73604.

It is an arithmetic number, because the mean of its divisors is an integer number (2786400).

Almost surely, 252663155 is an apocalyptic number.

52663155 is a deficient number, since it is larger than the sum of its proper divisors (36501645).

52663155 is a wasteful number, since it uses less digits than its factorization.

52663155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 27000, while the sum is 33.

The square root of 52663155 is about 7256.9384040379. The cubic root of 52663155 is about 374.8311061666.

The spelling of 52663155 in words is "fifty-two million, six hundred sixty-three thousand, one hundred fifty-five".

Divisors: 1 3 5 15 19 57 95 257 285 719 771 1285 2157 3595 3855 4883 10785 13661 14649 24415 40983 68305 73245 184783 204915 554349 923915 2771745 3510877 10532631 17554385 52663155