Base | Representation |
---|---|
bin | 11011100000101… |
… | …11010111011111 |
3 | 121002020221222110 |
4 | 31300113113133 |
5 | 433040014211 |
6 | 34522245103 |
7 | 5501422035 |
oct | 1560272737 |
9 | 532227873 |
10 | 230782431 |
11 | 1092a8290 |
12 | 65356793 |
13 | 38a74469 |
14 | 22916555 |
15 | 153d9ea6 |
hex | dc175df |
230782431 has 16 divisors (see below), whose sum is σ = 344757888. Its totient is φ = 136087200.
The previous prime is 230782427. The next prime is 230782439. The reversal of 230782431 is 134287032.
It is not a de Polignac number, because 230782431 - 22 = 230782427 is a prime.
It is a super-2 number, since 2×2307824312 = 106521060916539522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230782439) 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, 93285 + ... + 95726.
It is an arithmetic number, because the mean of its divisors is an integer number (21547368).
Almost surely, 2230782431 is an apocalyptic number.
230782431 is a deficient number, since it is larger than the sum of its proper divisors (113975457).
230782431 is a wasteful number, since it uses less digits than its factorization.
230782431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189062.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 230782431 is about 15191.5249728261. The cubic root of 230782431 is about 613.3865487919.
The spelling of 230782431 in words is "two hundred thirty million, seven hundred eighty-two thousand, four hundred thirty-one".
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