Base | Representation |
---|---|
bin | 1001011011011… |
… | …01100110100011 |
3 | 12111211022000012 |
4 | 10231231212203 |
5 | 130221422011 |
6 | 11503115135 |
7 | 1650162206 |
oct | 455554643 |
9 | 174738005 |
10 | 79092131 |
11 | 407110a8 |
12 | 225a2aab |
13 | 135030a1 |
14 | a70b93d |
15 | 6e24a8b |
hex | 4b6d9a3 |
79092131 has 2 divisors, whose sum is σ = 79092132. Its totient is φ = 79092130.
The previous prime is 79092107. The next prime is 79092133. The reversal of 79092131 is 13129097.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 79092131 - 210 = 79091107 is a prime.
It is a super-2 number, since 2×790921312 = 12511130372242322, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 79092133, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (79092133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39546065 + 39546066.
It is an arithmetic number, because the mean of its divisors is an integer number (39546066).
Almost surely, 279092131 is an apocalyptic number.
79092131 is a deficient number, since it is larger than the sum of its proper divisors (1).
79092131 is an equidigital number, since it uses as much as digits as its factorization.
79092131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 79092131 is about 8893.3756808087. The cubic root of 79092131 is about 429.2507793453.
The spelling of 79092131 in words is "seventy-nine million, ninety-two thousand, one hundred thirty-one".
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