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52412731 = 710916863
BaseRepresentation
bin1100011111110…
…0000100111011
310122121211202021
43013330010323
5101404201411
65111215311
71204333540
oct307740473
9118554667
1052412731
1127649508
1215677537
13ab21667
146d64bc7
154904a71
hex31fc13b

52412731 has 8 divisors (see below), whose sum is σ = 59963904. Its totient is φ = 44877480.

The previous prime is 52412681. The next prime is 52412747. The reversal of 52412731 is 13721425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52412731 - 217 = 52281659 is a prime.

It is a super-2 number, since 2×524127312 = 5494188741756722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52412696 and 52412705.

It is not an unprimeable number, because it can be changed into a prime (52412761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (7495488).

Almost surely, 252412731 is an apocalyptic number.

52412731 is a deficient number, since it is larger than the sum of its proper divisors (7551173).

52412731 is a wasteful number, since it uses less digits than its factorization.

52412731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961.

The product of its digits is 1680, while the sum is 25.

The square root of 52412731 is about 7239.6637352849. The cubic root of 52412731 is about 374.2360292460.

The spelling of 52412731 in words is "fifty-two million, four hundred twelve thousand, seven hundred thirty-one".

Divisors: 1 7 1091 6863 7637 48041 7487533 52412731