Base | Representation |
---|---|
bin | 101100011010… |
… | …1000001100100 |
3 | 1121211001012021 |
4 | 1120311001210 |
5 | 21430121420 |
6 | 2151032524 |
7 | 401632543 |
oct | 130650144 |
9 | 47731167 |
10 | 23285860 |
11 | 12165014 |
12 | 796b744 |
13 | 4a93c20 |
14 | 314215a |
15 | 209e7aa |
hex | 1635064 |
23285860 has 24 divisors (see below), whose sum is σ = 52662456. Its totient is φ = 8597760.
The previous prime is 23285851. The next prime is 23285879. The reversal of 23285860 is 6858232.
It can be written as a sum of positive squares in 4 ways, for example, as 14884 + 23270976 = 122^2 + 4824^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44521 + ... + 45040.
It is an arithmetic number, because the mean of its divisors is an integer number (2194269).
Almost surely, 223285860 is an apocalyptic number.
23285860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23285860 is an abundant number, since it is smaller than the sum of its proper divisors (29376596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23285860 is a wasteful number, since it uses less digits than its factorization.
23285860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89583 (or 89581 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 23285860 is about 4825.5424565535. The cubic root of 23285860 is about 285.5600355486.
The spelling of 23285860 in words is "twenty-three million, two hundred eighty-five thousand, eight hundred sixty".
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