Base | Representation |
---|---|
bin | 11011011111110… |
… | …11111011011000 |
3 | 121002001020210211 |
4 | 31233323323120 |
5 | 433022420130 |
6 | 34520020504 |
7 | 5500443256 |
oct | 1557737330 |
9 | 532036724 |
10 | 230670040 |
11 | 1092308a7 |
12 | 65301734 |
13 | 38a35263 |
14 | 228c75d6 |
15 | 153b6a2a |
hex | dbfbed8 |
230670040 has 32 divisors (see below), whose sum is σ = 522981360. Its totient is φ = 91561600.
The previous prime is 230670023. The next prime is 230670047. The reversal of 230670040 is 40076032.
It is a junction number, because it is equal to n+sod(n) for n = 230669993 and 230670020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230670047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16771 + ... + 27250.
Almost surely, 2230670040 is an apocalyptic number.
230670040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230670040 is an abundant number, since it is smaller than the sum of its proper divisors (292311320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230670040 is a wasteful number, since it uses less digits than its factorization.
230670040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44163 (or 44159 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 230670040 is about 15187.8253874608. The cubic root of 230670040 is about 613.2869595793.
The spelling of 230670040 in words is "two hundred thirty million, six hundred seventy thousand, forty".
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