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52656871 = 1773151281
BaseRepresentation
bin1100100011011…
…1101011100111
310200002020122111
43020313223213
5101440004441
65120341451
71206401401
oct310675347
9120066574
1052656871
11277a5983
1215774887
13aba8817
146dc9b71
154952081
hex3237ae7

52656871 has 16 divisors (see below), whose sum is σ = 57094848. Its totient is φ = 48384000.

The previous prime is 52656859. The next prime is 52656887. The reversal of 52656871 is 17865625.

It is a 11-Lehmer number, since φ(52656871) divides (52656871-1)11.

It is a cyclic number.

It is not a de Polignac number, because 52656871 - 217 = 52525799 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 (52656271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187251 + ... + 187531.

It is an arithmetic number, because the mean of its divisors is an integer number (3568428).

Almost surely, 252656871 is an apocalyptic number.

52656871 is a deficient number, since it is larger than the sum of its proper divisors (4437977).

52656871 is a wasteful number, since it uses less digits than its factorization.

52656871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its digits is 100800, while the sum is 40.

The square root of 52656871 is about 7256.5054261676. The cubic root of 52656871 is about 374.8161967398.

The spelling of 52656871 in words is "fifty-two million, six hundred fifty-six thousand, eight hundred seventy-one".

Divisors: 1 17 73 151 281 1241 2567 4777 11023 20513 42431 187391 348721 721327 3097463 52656871