Base | Representation |
---|---|
bin | 101100001001… |
… | …1100001001101 |
3 | 1121120001221100 |
4 | 1120103201031 |
5 | 21411223441 |
6 | 2144053313 |
7 | 400521456 |
oct | 130234115 |
9 | 47501840 |
10 | 23148621 |
11 | 120809a1 |
12 | 7904239 |
13 | 4a46612 |
14 | 310812d |
15 | 2073cb6 |
hex | 161384d |
23148621 has 12 divisors (see below), whose sum is σ = 33479680. Its totient is φ = 15412680.
The previous prime is 23148607. The next prime is 23148703. The reversal of 23148621 is 12684132.
23148621 is a `hidden beast` number, since 2 + 31 + 4 + 8 + 621 = 666.
It is not a de Polignac number, because 23148621 - 25 = 23148589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23188621) 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 11 ways as a sum of consecutive naturals, for example, 10506 + ... + 12516.
Almost surely, 223148621 is an apocalyptic number.
It is an amenable number.
23148621 is a deficient number, since it is larger than the sum of its proper divisors (10331059).
23148621 is a wasteful number, since it uses less digits than its factorization.
23148621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3296 (or 3293 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 23148621 is about 4811.3013832018. The cubic root of 23148621 is about 284.9979316563.
The spelling of 23148621 in words is "twenty-three million, one hundred forty-eight thousand, six hundred twenty-one".
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