Base | Representation |
---|---|
bin | 101100010101… |
… | …1101010100000 |
3 | 1121202002121021 |
4 | 1120223222200 |
5 | 21422410040 |
6 | 2150135224 |
7 | 401413012 |
oct | 130535240 |
9 | 47662537 |
10 | 23247520 |
11 | 1213922a |
12 | 7951514 |
13 | 4a7c63a |
14 | 31321b2 |
15 | 209324a |
hex | 162baa0 |
23247520 has 96 divisors (see below), whose sum is σ = 58544640. Its totient is φ = 8709120.
The previous prime is 23247491. The next prime is 23247547. The reversal of 23247520 is 2574232.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 213226 + ... + 213334.
It is an arithmetic number, because the mean of its divisors is an integer number (609840).
Almost surely, 223247520 is an apocalyptic number.
23247520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23247520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29272320).
23247520 is an abundant number, since it is smaller than the sum of its proper divisors (35297120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23247520 is a wasteful number, since it uses less digits than its factorization.
23247520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198 (or 190 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 25.
The square root of 23247520 is about 4821.5682096181. The cubic root of 23247520 is about 285.4032252773.
The spelling of 23247520 in words is "twenty-three million, two hundred forty-seven thousand, five hundred twenty".
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