Base | Representation |
---|---|
bin | 101100001000… |
… | …0101011101101 |
3 | 1121112111000010 |
4 | 1120100223231 |
5 | 21410341010 |
6 | 2143523433 |
7 | 400442553 |
oct | 130205355 |
9 | 47474003 |
10 | 23137005 |
11 | 120731a1 |
12 | 78b9579 |
13 | 4a41248 |
14 | 3103bd3 |
15 | 2070620 |
hex | 1610aed |
23137005 has 16 divisors (see below), whose sum is σ = 38214144. Its totient is φ = 11941440.
The previous prime is 23137001. The next prime is 23137031. The reversal of 23137005 is 50073132.
It is a happy number.
It is not a de Polignac number, because 23137005 - 22 = 23137001 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23137001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24414 + ... + 25343.
It is an arithmetic number, because the mean of its divisors is an integer number (2388384).
Almost surely, 223137005 is an apocalyptic number.
It is an amenable number.
23137005 is a deficient number, since it is larger than the sum of its proper divisors (15077139).
23137005 is a wasteful number, since it uses less digits than its factorization.
23137005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49796.
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 23137005 is about 4810.0940739241. The cubic root of 23137005 is about 284.9502529361.
The spelling of 23137005 in words is "twenty-three million, one hundred thirty-seven thousand, five".
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