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69025031 is a prime number
BaseRepresentation
bin1000001110100…
…11110100000111
311210212211112122
410013103310013
5120132300111
610503240155
71465463105
oct407236407
9153784478
1069025031
1135a65589
121b14905b
13113b9b1a
14924ac75
1560d6cdb
hex41d3d07

69025031 has 2 divisors, whose sum is σ = 69025032. Its totient is φ = 69025030.

The previous prime is 69025009. The next prime is 69025039. The reversal of 69025031 is 13052096.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69025031 is a prime.

It is a super-2 number, since 2×690250312 = 9528909809101922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69025039) 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, 34512515 + 34512516.

It is an arithmetic number, because the mean of its divisors is an integer number (34512516).

Almost surely, 269025031 is an apocalyptic number.

69025031 is a deficient number, since it is larger than the sum of its proper divisors (1).

69025031 is an equidigital number, since it uses as much as digits as its factorization.

69025031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 69025031 is about 8308.1304154425. The cubic root of 69025031 is about 410.2061842188.

The spelling of 69025031 in words is "sixty-nine million, twenty-five thousand, thirty-one".