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10315979 is a prime number
BaseRepresentation
bin100111010110…
…100011001011
3201102002212022
4213112203023
510120102404
61005035055
7153453512
oct47264313
921362768
1010315979
115906603
123555a8b
1321a263b
141527679
15d8b8be
hex9d68cb

10315979 has 2 divisors, whose sum is σ = 10315980. Its totient is φ = 10315978.

The previous prime is 10315931. The next prime is 10315997. The reversal of 10315979 is 97951301.

Together with next prime (10315997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10315979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10315919) 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, 5157989 + 5157990.

It is an arithmetic number, because the mean of its divisors is an integer number (5157990).

Almost surely, 210315979 is an apocalyptic number.

10315979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10315979 is an equidigital number, since it uses as much as digits as its factorization.

10315979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 10315979 is about 3211.8497785544. The cubic root of 10315979 is about 217.6891664717.

The spelling of 10315979 in words is "ten million, three hundred fifteen thousand, nine hundred seventy-nine".