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69560681 is a prime number
BaseRepresentation
bin1000010010101…
…10100101101001
311211220001022112
410021112211221
5120301420211
610522532105
71503153551
oct411264551
9154801275
1069560681
11362a0a73
121b367035
1311546888
14934a161
15619088b
hex4256969

69560681 has 2 divisors, whose sum is σ = 69560682. Its totient is φ = 69560680.

The previous prime is 69560669. The next prime is 69560693. The reversal of 69560681 is 18606596.

It is a balanced prime because it is at equal distance from previous prime (69560669) and next prime (69560693).

It can be written as a sum of positive squares in only one way, i.e., 60590656 + 8970025 = 7784^2 + 2995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69560681 is a prime.

It is a super-2 number, since 2×695606812 = 9677376682367522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69566681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34780340 + 34780341.

It is an arithmetic number, because the mean of its divisors is an integer number (34780341).

Almost surely, 269560681 is an apocalyptic number.

It is an amenable number.

69560681 is a deficient number, since it is larger than the sum of its proper divisors (1).

69560681 is an equidigital number, since it uses as much as digits as its factorization.

69560681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 69560681 is about 8340.3046107441. The cubic root of 69560681 is about 411.2645490860.

The spelling of 69560681 in words is "sixty-nine million, five hundred sixty thousand, six hundred eighty-one".