Base | Representation |
---|---|
bin | 101101011000… |
… | …1000000000001 |
3 | 1122202211202212 |
4 | 1122301000001 |
5 | 22042344130 |
6 | 2205551505 |
7 | 406146200 |
oct | 132610001 |
9 | 48684685 |
10 | 23793665 |
11 | 12481595 |
12 | 7b75595 |
13 | 4c110bc |
14 | 3235237 |
15 | 214ee95 |
hex | 16b1001 |
23793665 has 12 divisors (see below), whose sum is σ = 33214356. Its totient is φ = 16315488.
The previous prime is 23793641. The next prime is 23793673. The reversal of 23793665 is 56639732.
It can be written as a sum of positive squares in 2 ways, for example, as 14984641 + 8809024 = 3871^2 + 2968^2 .
It is not a de Polignac number, because 23793665 - 212 = 23789569 is a prime.
It is a super-2 number, since 2×237936652 = 1132276988264450, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48314 + ... + 48803.
It is an arithmetic number, because the mean of its divisors is an integer number (2767863).
Almost surely, 223793665 is an apocalyptic number.
It is an amenable number.
23793665 is a deficient number, since it is larger than the sum of its proper divisors (9420691).
23793665 is an equidigital number, since it uses as much as digits as its factorization.
23793665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97136 (or 97129 counting only the distinct ones).
The product of its digits is 204120, while the sum is 41.
The square root of 23793665 is about 4877.8750496502. The cubic root of 23793665 is about 287.6209044096.
The spelling of 23793665 in words is "twenty-three million, seven hundred ninety-three thousand, six hundred sixty-five".
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