Base | Representation |
---|---|
bin | 101100010110… |
… | …0010001100010 |
3 | 1121202020000210 |
4 | 1120230101202 |
5 | 21423000033 |
6 | 2150154550 |
7 | 401423211 |
oct | 130542142 |
9 | 47666023 |
10 | 23250018 |
11 | 121400a0 |
12 | 7952a56 |
13 | 4a8080c |
14 | 3133078 |
15 | 2093d63 |
hex | 162c462 |
23250018 has 16 divisors (see below), whose sum is σ = 50727456. Its totient is φ = 7045440.
The previous prime is 23250001. The next prime is 23250037. The reversal of 23250018 is 81005232.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23249976 and 23250003.
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, 176071 + ... + 176202.
It is an arithmetic number, because the mean of its divisors is an integer number (3170466).
Almost surely, 223250018 is an apocalyptic number.
23250018 is an abundant number, since it is smaller than the sum of its proper divisors (27477438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23250018 is a wasteful number, since it uses less digits than its factorization.
23250018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352289.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 23250018 is about 4821.8272470092. The cubic root of 23250018 is about 285.4134473243.
The spelling of 23250018 in words is "twenty-three million, two hundred fifty thousand, eighteen".
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