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3130979 is a prime number
BaseRepresentation
bin1011111100011001100011
312220001220012
423330121203
51300142404
6151035135
735420135
oct13743143
95801805
103130979
111849395
12106baab
13858167
145b7055
1541ca6e
hex2fc663

3130979 has 2 divisors, whose sum is σ = 3130980. Its totient is φ = 3130978.

The previous prime is 3130961. The next prime is 3130987. The reversal of 3130979 is 9790313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130979 is a prime.

It is not a weakly prime, because it can be changed into another prime (3130949) 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, 1565489 + 1565490.

It is an arithmetic number, because the mean of its divisors is an integer number (1565490).

Almost surely, 23130979 is an apocalyptic number.

3130979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130979 is an equidigital number, since it uses as much as digits as its factorization.

3130979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3130979 is about 1769.4572614223. The cubic root of 3130979 is about 146.2940685860.

The spelling of 3130979 in words is "three million, one hundred thirty thousand, nine hundred seventy-nine".