Base | Representation |
---|---|
bin | 11011011111000… |
… | …00010001000100 |
3 | 121001211111101112 |
4 | 31233200101010 |
5 | 433010303430 |
6 | 34513344152 |
7 | 5466462041 |
oct | 1557402104 |
9 | 531744345 |
10 | 230556740 |
11 | 109163767 |
12 | 65268058 |
13 | 389c580b |
14 | 228981c8 |
15 | 15393195 |
hex | dbe0444 |
230556740 has 48 divisors (see below), whose sum is σ = 491871744. Its totient is φ = 90768000.
The previous prime is 230556727. The next prime is 230556749. The reversal of 230556740 is 47655032.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 230556697 and 230556706.
It is not an unprimeable number, because it can be changed into a prime (230556749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628037 + ... + 628403.
It is an arithmetic number, because the mean of its divisors is an integer number (10247328).
Almost surely, 2230556740 is an apocalyptic number.
230556740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230556740 is an abundant number, since it is smaller than the sum of its proper divisors (261315004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230556740 is a wasteful number, since it uses less digits than its factorization.
230556740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788 (or 786 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 32.
The square root of 230556740 is about 15184.0949680908. The cubic root of 230556740 is about 613.1865321575.
The spelling of 230556740 in words is "two hundred thirty million, five hundred fifty-six thousand, seven hundred forty".
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