Base | Representation |
---|---|
bin | 101100100101… |
… | …0010011011010 |
3 | 1121222110202100 |
4 | 1121022103122 |
5 | 21440414033 |
6 | 2152544230 |
7 | 402444624 |
oct | 131122332 |
9 | 47873670 |
10 | 23373018 |
11 | 12214549 |
12 | 79b2076 |
13 | 4ac47b6 |
14 | 3165c14 |
15 | 20ba513 |
hex | 164a4da |
23373018 has 24 divisors (see below), whose sum is σ = 50832756. Its totient is φ = 7761600.
The previous prime is 23373013. The next prime is 23373029. The reversal of 23373018 is 81037332.
It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 15129 = 4833^2 + 123^2 .
It is a junction number, because it is equal to n+sod(n) for n = 23372982 and 23373000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23373013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2748 + ... + 7368.
Almost surely, 223373018 is an apocalyptic number.
23373018 is an abundant number, since it is smaller than the sum of its proper divisors (27459738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23373018 is a wasteful number, since it uses less digits than its factorization.
23373018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4910 (or 4907 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 23373018 is about 4834.5649235479. The cubic root of 23373018 is about 285.9158717135.
The spelling of 23373018 in words is "twenty-three million, three hundred seventy-three thousand, eighteen".
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