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52207931 is a prime number
BaseRepresentation
bin1100011100101…
…0000100111011
310122020102211002
43013022010323
5101331123211
65102555215
71202521466
oct307120473
9118212732
1052207931
1127519656
1215598b0b
13aa7c389
146d102dd
1548b403b
hex31ca13b

52207931 has 2 divisors, whose sum is σ = 52207932. Its totient is φ = 52207930.

The previous prime is 52207889. The next prime is 52207963. The reversal of 52207931 is 13970225.

52207931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52207931 - 210 = 52206907 is a prime.

It is a super-2 number, since 2×522079312 = 5451336118601522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52207894 and 52207903.

It is not a weakly prime, because it can be changed into another prime (52207531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103965 + 26103966.

It is an arithmetic number, because the mean of its divisors is an integer number (26103966).

Almost surely, 252207931 is an apocalyptic number.

52207931 is a deficient number, since it is larger than the sum of its proper divisors (1).

52207931 is an equidigital number, since it uses as much as digits as its factorization.

52207931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 52207931 is about 7225.5055878464. The cubic root of 52207931 is about 373.7479570960.

The spelling of 52207931 in words is "fifty-two million, two hundred seven thousand, nine hundred thirty-one".