Base | Representation |
---|---|
bin | 101011110111… |
… | …1110111001001 |
3 | 1121021122121000 |
4 | 1113233313021 |
5 | 21342040234 |
6 | 2141005213 |
7 | 366342612 |
oct | 127576711 |
9 | 47248530 |
10 | 23002569 |
11 | 11a91197 |
12 | 7853809 |
13 | 49c4cb5 |
14 | 30aac09 |
15 | 2045899 |
hex | 15efdc9 |
23002569 has 16 divisors (see below), whose sum is σ = 34177600. Its totient is φ = 15290208.
The previous prime is 23002543. The next prime is 23002607. The reversal of 23002569 is 96520032.
It is not a de Polignac number, because 23002569 - 224 = 6225353 is a prime.
It is a super-2 number, since 2×230025692 = 1058236361199522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23002069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10002 + ... + 12084.
It is an arithmetic number, because the mean of its divisors is an integer number (2136100).
Almost surely, 223002569 is an apocalyptic number.
It is an amenable number.
23002569 is a deficient number, since it is larger than the sum of its proper divisors (11175031).
23002569 is a wasteful number, since it uses less digits than its factorization.
23002569 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2501 (or 2495 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 23002569 is about 4796.0993525989. The cubic root of 23002569 is about 284.3972858435.
The spelling of 23002569 in words is "twenty-three million, two thousand, five hundred sixty-nine".
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