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69696929 is a prime number
BaseRepresentation
bin1000010011101…
…11110110100001
311212010222012202
410021313312201
5120320300204
610525502545
71504262021
oct411676641
9155128182
1069696929
1136384375
121b411a55
13115938b3
149383a81
1561bae1e
hex4277da1

69696929 has 2 divisors, whose sum is σ = 69696930. Its totient is φ = 69696928.

The previous prime is 69696901. The next prime is 69696943. The reversal of 69696929 is 92969696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68442529 + 1254400 = 8273^2 + 1120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69696929 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (69696989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34848464 + 34848465.

It is an arithmetic number, because the mean of its divisors is an integer number (34848465).

Almost surely, 269696929 is an apocalyptic number.

It is an amenable number.

69696929 is a deficient number, since it is larger than the sum of its proper divisors (1).

69696929 is an equidigital number, since it uses as much as digits as its factorization.

69696929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 56.

The square root of 69696929 is about 8348.4686619763. The cubic root of 69696929 is about 411.5328875918.

The spelling of 69696929 in words is "sixty-nine million, six hundred ninety-six thousand, nine hundred twenty-nine".