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68960531 is a prime number
BaseRepresentation
bin1000001110001…
…00000100010011
311210202120001202
410013010010103
5120123214111
610502021415
71465104053
oct407040423
9153676052
1068960531
1135a21082
121b11786b
1311396663
149231563
1560c2b3b
hex41c4113

68960531 has 2 divisors, whose sum is σ = 68960532. Its totient is φ = 68960530.

The previous prime is 68960527. The next prime is 68960539. The reversal of 68960531 is 13506986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68960531 - 22 = 68960527 is a prime.

It is a super-2 number, since 2×689605312 = 9511109671603922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68960539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34480265 + 34480266.

It is an arithmetic number, because the mean of its divisors is an integer number (34480266).

Almost surely, 268960531 is an apocalyptic number.

68960531 is a deficient number, since it is larger than the sum of its proper divisors (1).

68960531 is an equidigital number, since it uses as much as digits as its factorization.

68960531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 68960531 is about 8304.2477684616. The cubic root of 68960531 is about 410.0783728822.

The spelling of 68960531 in words is "sixty-eight million, nine hundred sixty thousand, five hundred thirty-one".