Base | Representation |
---|---|
bin | 101100001001… |
… | …1101000001001 |
3 | 1121120002112210 |
4 | 1120103220021 |
5 | 21411232230 |
6 | 2144055333 |
7 | 400522662 |
oct | 130235011 |
9 | 47502483 |
10 | 23149065 |
11 | 12081265 |
12 | 7904549 |
13 | 4a46894 |
14 | 3108369 |
15 | 2073eb0 |
hex | 1613a09 |
23149065 has 8 divisors (see below), whose sum is σ = 37038528. Its totient is φ = 12346160.
The previous prime is 23149037. The next prime is 23149069. The reversal of 23149065 is 56094132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23149065 - 28 = 23148809 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23149069) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771621 + ... + 771650.
It is an arithmetic number, because the mean of its divisors is an integer number (4629816).
Almost surely, 223149065 is an apocalyptic number.
It is an amenable number.
23149065 is a deficient number, since it is larger than the sum of its proper divisors (13889463).
23149065 is a wasteful number, since it uses less digits than its factorization.
23149065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543279.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 23149065 is about 4811.3475243428. The cubic root of 23149065 is about 284.9997537702. Note that the first 3 decimals are identical.
The spelling of 23149065 in words is "twenty-three million, one hundred forty-nine thousand, sixty-five".
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