Base | Representation |
---|---|
bin | 101100000001… |
… | …0101111101011 |
3 | 1121102120200200 |
4 | 1120002233223 |
5 | 21402024130 |
6 | 2142403243 |
7 | 400114245 |
oct | 130025753 |
9 | 47376620 |
10 | 23079915 |
11 | 12034311 |
12 | 7890523 |
13 | 4a21271 |
14 | 30cb095 |
15 | 205d760 |
hex | 1602beb |
23079915 has 24 divisors (see below), whose sum is σ = 40687920. Its totient is φ = 12099264.
The previous prime is 23079913. The next prime is 23079923. The reversal of 23079915 is 51997032.
It is not a de Polignac number, because 23079915 - 21 = 23079913 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23079915.
It is not an unprimeable number, because it can be changed into a prime (23079913) 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 in 23 ways as a sum of consecutive naturals, for example, 1692 + ... + 7001.
It is an arithmetic number, because the mean of its divisors is an integer number (1695330).
Almost surely, 223079915 is an apocalyptic number.
23079915 is a deficient number, since it is larger than the sum of its proper divisors (17608005).
23079915 is a wasteful number, since it uses less digits than its factorization.
23079915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8763 (or 8760 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The square root of 23079915 is about 4804.1560132868. The cubic root of 23079915 is about 284.7156906198.
The spelling of 23079915 in words is "twenty-three million, seventy-nine thousand, nine hundred fifteen".
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