Base | Representation |
---|---|
bin | 11011100010000… |
… | …01110110000100 |
3 | 121002120210122111 |
4 | 31301001312010 |
5 | 433111101140 |
6 | 34530110404 |
7 | 5503045222 |
oct | 1561016604 |
9 | 532523574 |
10 | 230956420 |
11 | 109406a82 |
12 | 6541b404 |
13 | 38b05706 |
14 | 2295db12 |
15 | 154217ea |
hex | dc41d84 |
230956420 has 24 divisors (see below), whose sum is σ = 488104344. Its totient is φ = 91792896.
The previous prime is 230956399. The next prime is 230956447. The reversal of 230956420 is 24659032.
It can be written as a sum of positive squares in 4 ways, for example, as 7573504 + 223382916 = 2752^2 + 14946^2 .
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, 33637 + ... + 39916.
It is an arithmetic number, because the mean of its divisors is an integer number (20337681).
Almost surely, 2230956420 is an apocalyptic number.
230956420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230956420 is an abundant number, since it is smaller than the sum of its proper divisors (257147924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230956420 is a wasteful number, since it uses less digits than its factorization.
230956420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73719 (or 73717 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 230956420 is about 15197.2504092023. The cubic root of 230956420 is about 613.5406559933.
The spelling of 230956420 in words is "two hundred thirty million, nine hundred fifty-six thousand, four hundred twenty".
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