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52631761 = 713578371
BaseRepresentation
bin1100100011000…
…1100011010001
310200000222012111
43020301203101
5101433204021
65120025321
71206235240
oct310614321
9120028174
1052631761
1127789026
1215762241
13ab9a270
146dc0957
1549498e1
hex32318d1

52631761 has 8 divisors (see below), whose sum is σ = 64777664. Its totient is φ = 41642640.

The previous prime is 52631753. The next prime is 52631771. The reversal of 52631761 is 16713625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52631761 - 23 = 52631753 is a prime.

It is a super-2 number, since 2×526317612 = 5540204531922242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52631771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289095 + ... + 289276.

It is an arithmetic number, because the mean of its divisors is an integer number (8097208).

Almost surely, 252631761 is an apocalyptic number.

It is an amenable number.

52631761 is a deficient number, since it is larger than the sum of its proper divisors (12145903).

52631761 is a wasteful number, since it uses less digits than its factorization.

52631761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578391.

The product of its digits is 7560, while the sum is 31.

The square root of 52631761 is about 7254.7750482010. The cubic root of 52631761 is about 374.7566088777.

The spelling of 52631761 in words is "fifty-two million, six hundred thirty-one thousand, seven hundred sixty-one".

Divisors: 1 7 13 91 578371 4048597 7518823 52631761