Base | Representation |
---|---|
bin | 101011111010… |
… | …1101011010100 |
3 | 1121022212021012 |
4 | 1113311223110 |
5 | 21343321023 |
6 | 2141311352 |
7 | 366502220 |
oct | 127655324 |
9 | 47285235 |
10 | 23026388 |
11 | 11aa8080 |
12 | 7865558 |
13 | 4a02aa8 |
14 | 30b5780 |
15 | 204c978 |
hex | 15f5ad4 |
23026388 has 24 divisors (see below), whose sum is σ = 50240064. Its totient is φ = 8971200.
The previous prime is 23026363. The next prime is 23026391. The reversal of 23026388 is 88362032.
It is a happy number.
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, 37073 + ... + 37688.
It is an arithmetic number, because the mean of its divisors is an integer number (2093336).
Almost surely, 223026388 is an apocalyptic number.
23026388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23026388 is an abundant number, since it is smaller than the sum of its proper divisors (27213676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23026388 is a wasteful number, since it uses less digits than its factorization.
23026388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74783 (or 74781 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 23026388 is about 4798.5818738456. The cubic root of 23026388 is about 284.4954157833.
The spelling of 23026388 in words is "twenty-three million, twenty-six thousand, three hundred eighty-eight".
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