Base | Representation |
---|---|
bin | 101100000111… |
… | …1000101100001 |
3 | 1121112011000220 |
4 | 1120033011201 |
5 | 21410133330 |
6 | 2143433253 |
7 | 400414521 |
oct | 130170541 |
9 | 47464026 |
10 | 23130465 |
11 | 12069296 |
12 | 78b5829 |
13 | 4a3b287 |
14 | 3101681 |
15 | 206d710 |
hex | 160f161 |
23130465 has 8 divisors (see below), whose sum is σ = 37008768. Its totient is φ = 12336240.
The previous prime is 23130463. The next prime is 23130469. The reversal of 23130465 is 56403132.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23130465 - 21 = 23130463 is a prime.
It is a super-2 number, since 2×231304652 = 1070036822232450, which contains 22 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (23130461) 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 7 ways as a sum of consecutive naturals, for example, 771001 + ... + 771030.
It is an arithmetic number, because the mean of its divisors is an integer number (4626096).
Almost surely, 223130465 is an apocalyptic number.
It is an amenable number.
23130465 is a deficient number, since it is larger than the sum of its proper divisors (13878303).
23130465 is a wasteful number, since it uses less digits than its factorization.
23130465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1542039.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 23130465 is about 4809.4142054932. The cubic root of 23130465 is about 284.9234020066.
Adding to 23130465 its reverse (56403132), we get a palindrome (79533597).
The spelling of 23130465 in words is "twenty-three million, one hundred thirty thousand, four hundred sixty-five".
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