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52656731 is a prime number
BaseRepresentation
bin1100100011011…
…1101001011011
310200002020110022
43020313221123
5101440003411
65120341055
71206401111
oct310675133
9120066408
1052656731
11277a5866
121577478b
13aba873a
146dc9ab1
154951edb
hex3237a5b

52656731 has 2 divisors, whose sum is σ = 52656732. Its totient is φ = 52656730.

The previous prime is 52656713. The next prime is 52656763. The reversal of 52656731 is 13765625.

Together with previous prime (52656713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52656731 is a prime.

It is a super-2 number, since 2×526567312 = 5545462639212722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52656691 and 52656700.

It is not a weakly prime, because it can be changed into another prime (52652731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26328365 + 26328366.

It is an arithmetic number, because the mean of its divisors is an integer number (26328366).

Almost surely, 252656731 is an apocalyptic number.

52656731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52656731 is an equidigital number, since it uses as much as digits as its factorization.

52656731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 52656731 is about 7256.4957796446. The cubic root of 52656731 is about 374.8158645621.

The spelling of 52656731 in words is "fifty-two million, six hundred fifty-six thousand, seven hundred thirty-one".