Base | Representation |
---|---|
bin | 1011110111000010100111 |
3 | 12211221210022 |
4 | 23313002213 |
5 | 1243442111 |
6 | 150345355 |
7 | 35266142 |
oct | 13670247 |
9 | 5757708 |
10 | 3109031 |
11 | 1833952 |
12 | 105b25b |
13 | 84b183 |
14 | 5ad059 |
15 | 4162db |
hex | 2f70a7 |
3109031 has 2 divisors, whose sum is σ = 3109032. Its totient is φ = 3109030.
The previous prime is 3108991. The next prime is 3109069. The reversal of 3109031 is 1309013.
It is a strong prime.
It is an emirp because it is prime and its reverse (1309013) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3109031 - 26 = 3108967 is a prime.
It is a super-2 number, since 2×31090312 = 19332147517922, which contains 22 as substring.
It is a Chen prime.
It is an Ulam number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3109081) 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, 1554515 + 1554516.
It is an arithmetic number, because the mean of its divisors is an integer number (1554516).
Almost surely, 23109031 is an apocalyptic number.
3109031 is a deficient number, since it is larger than the sum of its proper divisors (1).
3109031 is an equidigital number, since it uses as much as digits as its factorization.
3109031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 81, while the sum is 17.
The square root of 3109031 is about 1763.2444527064. The cubic root of 3109031 is about 145.9514287671.
The spelling of 3109031 in words is "three million, one hundred nine thousand, thirty-one".
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