Base | Representation |
---|---|
bin | 101011111000… |
… | …0100001001100 |
3 | 1121021210021200 |
4 | 1113300201030 |
5 | 21342132020 |
6 | 2141025500 |
7 | 366353505 |
oct | 127604114 |
9 | 47253250 |
10 | 23005260 |
11 | 11a93213 |
12 | 7855290 |
13 | 49c62a5 |
14 | 30abbac |
15 | 2046590 |
hex | 15f084c |
23005260 has 36 divisors (see below), whose sum is σ = 69783168. Its totient is φ = 6134688.
The previous prime is 23005249. The next prime is 23005261. The reversal of 23005260 is 6250032.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23005261) 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, 63724 + ... + 64083.
Almost surely, 223005260 is an apocalyptic number.
23005260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23005260 is an abundant number, since it is smaller than the sum of its proper divisors (46777908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23005260 is a wasteful number, since it uses less digits than its factorization.
23005260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127822 (or 127817 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 23005260 is about 4796.3798848715. The cubic root of 23005260 is about 284.4083756665.
Adding to 23005260 its reverse (6250032), we get a palindrome (29255292).
The spelling of 23005260 in words is "twenty-three million, five thousand, two hundred sixty".
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