Base | Representation |
---|---|
bin | 101100000111… |
… | …1000110101011 |
3 | 1121112011010122 |
4 | 1120033012223 |
5 | 21410134124 |
6 | 2143433455 |
7 | 400414655 |
oct | 130170653 |
9 | 47464118 |
10 | 23130539 |
11 | 12069353 |
12 | 78b588b |
13 | 4a3b313 |
14 | 31016d5 |
15 | 206d75e |
hex | 160f1ab |
23130539 has 8 divisors (see below), whose sum is σ = 23422608. Its totient is φ = 22840480.
The previous prime is 23130521. The next prime is 23130553. The reversal of 23130539 is 93503132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23130539 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23130509) 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 7 ways as a sum of consecutive naturals, for example, 41249 + ... + 41805.
It is an arithmetic number, because the mean of its divisors is an integer number (2927826).
Almost surely, 223130539 is an apocalyptic number.
23130539 is a deficient number, since it is larger than the sum of its proper divisors (292069).
23130539 is a wasteful number, since it uses less digits than its factorization.
23130539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1005.
The product of its (nonzero) digits is 2430, while the sum is 26.
The square root of 23130539 is about 4809.4218987317. The cubic root of 23130539 is about 284.9237058527.
The spelling of 23130539 in words is "twenty-three million, one hundred thirty thousand, five hundred thirty-nine".
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