Base | Representation |
---|---|
bin | 101100000111… |
… | …1000110000011 |
3 | 1121112011002011 |
4 | 1120033012003 |
5 | 21410133444 |
6 | 2143433351 |
7 | 400414600 |
oct | 130170603 |
9 | 47464064 |
10 | 23130499 |
11 | 12069317 |
12 | 78b5857 |
13 | 4a3b2b2 |
14 | 31016a7 |
15 | 206d734 |
hex | 160f183 |
23130499 has 6 divisors (see below), whose sum is σ = 26906964. Its totient is φ = 19826100.
The previous prime is 23130493. The next prime is 23130509. The reversal of 23130499 is 99403132.
It is not a de Polignac number, because 23130499 - 23 = 23130491 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23130499.
It is not an unprimeable number, because it can be changed into a prime (23130491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235977 + ... + 236074.
It is an arithmetic number, because the mean of its divisors is an integer number (4484494).
Almost surely, 223130499 is an apocalyptic number.
23130499 is a deficient number, since it is larger than the sum of its proper divisors (3776465).
23130499 is an equidigital number, since it uses as much as digits as its factorization.
23130499 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 472065 (or 472058 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 31.
The square root of 23130499 is about 4809.4177402259. The cubic root of 23130499 is about 284.9235416116.
The spelling of 23130499 in words is "twenty-three million, one hundred thirty thousand, four hundred ninety-nine".
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