Base | Representation |
---|---|
bin | 101100010110… |
… | …1101110101011 |
3 | 1121202112012120 |
4 | 1120231232223 |
5 | 21423142404 |
6 | 2150242323 |
7 | 401446455 |
oct | 130555653 |
9 | 47675176 |
10 | 23255979 |
11 | 1214461a |
12 | 79563a3 |
13 | 4a83446 |
14 | 31352d5 |
15 | 20959d9 |
hex | 162dbab |
23255979 has 16 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 14907200.
The previous prime is 23255977. The next prime is 23255987. The reversal of 23255979 is 97955232.
It is a cyclic number.
It is not a de Polignac number, because 23255979 - 21 = 23255977 is a prime.
It is a super-3 number, since 3×232559793 (a number of 23 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23255979.
It is not an unprimeable number, because it can be changed into a prime (23255977) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7402 + ... + 10064.
It is an arithmetic number, because the mean of its divisors is an integer number (2013984).
Almost surely, 223255979 is an apocalyptic number.
23255979 is a deficient number, since it is larger than the sum of its proper divisors (8967765).
23255979 is a wasteful number, since it uses less digits than its factorization.
23255979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2778.
The product of its digits is 170100, while the sum is 42.
The square root of 23255979 is about 4822.4453340603. The cubic root of 23255979 is about 285.4378373295.
The spelling of 23255979 in words is "twenty-three million, two hundred fifty-five thousand, nine hundred seventy-nine".
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