Base | Representation |
---|---|
bin | 101011110100… |
… | …0001011000111 |
3 | 1121020001101201 |
4 | 1113220023013 |
5 | 21340033304 |
6 | 2140203331 |
7 | 366152035 |
oct | 127501307 |
9 | 47201351 |
10 | 22971079 |
11 | 11a6a56a |
12 | 7839547 |
13 | 49b3871 |
14 | 309d555 |
15 | 203b3a4 |
hex | 15e82c7 |
22971079 has 2 divisors, whose sum is σ = 22971080. Its totient is φ = 22971078.
The previous prime is 22971077. The next prime is 22971107. The reversal of 22971079 is 97017922.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 22971079 - 21 = 22971077 is a prime.
Together with 22971077, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22971077) 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, 11485539 + 11485540.
It is an arithmetic number, because the mean of its divisors is an integer number (11485540).
Almost surely, 222971079 is an apocalyptic number.
22971079 is a deficient number, since it is larger than the sum of its proper divisors (1).
22971079 is an equidigital number, since it uses as much as digits as its factorization.
22971079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15876, while the sum is 37.
The square root of 22971079 is about 4792.8153521704. The cubic root of 22971079 is about 284.2674487465.
The spelling of 22971079 in words is "twenty-two million, nine hundred seventy-one thousand, seventy-nine".
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