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69080969 is a prime number
BaseRepresentation
bin1000001111000…
…01011110001001
311210222200021102
410013201132021
5120141042334
610504351145
71466115146
oct407413611
9153880242
1069080969
1135aa3611
121b1754b5
1311409419
1492633cd
1560e867e
hex41e1789

69080969 has 2 divisors, whose sum is σ = 69080970. Its totient is φ = 69080968.

The previous prime is 69080951. The next prime is 69081007. The reversal of 69080969 is 96908096.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68890000 + 190969 = 8300^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 69080969 - 212 = 69076873 is a prime.

It is a super-2 number, since 2×690809692 = 9544360555957922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69080909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34540484 + 34540485.

It is an arithmetic number, because the mean of its divisors is an integer number (34540485).

Almost surely, 269080969 is an apocalyptic number.

It is an amenable number.

69080969 is a deficient number, since it is larger than the sum of its proper divisors (1).

69080969 is an equidigital number, since it uses as much as digits as its factorization.

69080969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 69080969 is about 8311.4961950301. The cubic root of 69080969 is about 410.3169648901.

The spelling of 69080969 in words is "sixty-nine million, eighty thousand, nine hundred sixty-nine".