Base | Representation |
---|---|
bin | 11011011111111… |
… | …00011110011000 |
3 | 121002001100212210 |
4 | 31233330132120 |
5 | 433023003110 |
6 | 34520035120 |
7 | 5500452636 |
oct | 1557743630 |
9 | 532040783 |
10 | 230672280 |
11 | 109232553 |
12 | 65302aa0 |
13 | 38a36297 |
14 | 228c8356 |
15 | 153b7520 |
hex | dbfc798 |
230672280 has 32 divisors (see below), whose sum is σ = 692017200. Its totient is φ = 61512576.
The previous prime is 230672251. The next prime is 230672297. The reversal of 230672280 is 82276032.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 961015 + ... + 961254.
Almost surely, 2230672280 is an apocalyptic number.
230672280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230672280 is an abundant number, since it is smaller than the sum of its proper divisors (461344920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230672280 is a wasteful number, since it uses less digits than its factorization.
230672280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1922283 (or 1922279 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 230672280 is about 15187.8991305579. The cubic root of 230672280 is about 613.2889447502.
The spelling of 230672280 in words is "two hundred thirty million, six hundred seventy-two thousand, two hundred eighty".
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