Base | Representation |
---|---|
bin | 11011011110000… |
… | …01011011000001 |
3 | 121001121002002022 |
4 | 31233001123001 |
5 | 432442233101 |
6 | 34510531225 |
7 | 5465424515 |
oct | 1557013301 |
9 | 531532068 |
10 | 230430401 |
11 | 109087853 |
12 | 65206b15 |
13 | 38980166 |
14 | 22864145 |
15 | 1536aa1b |
hex | dbc16c1 |
230430401 has 4 divisors (see below), whose sum is σ = 230460804. Its totient is φ = 230400000.
The previous prime is 230430311. The next prime is 230430407. The reversal of 230430401 is 104034032.
230430401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 220671025 + 9759376 = 14855^2 + 3124^2 .
It is a cyclic number.
It is not a de Polignac number, because 230430401 - 214 = 230414017 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230430401.
It is not an unprimeable number, because it can be changed into a prime (230430407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6401 + ... + 22401.
It is an arithmetic number, because the mean of its divisors is an integer number (57615201).
Almost surely, 2230430401 is an apocalyptic number.
It is an amenable number.
230430401 is a deficient number, since it is larger than the sum of its proper divisors (30403).
230430401 is a wasteful number, since it uses less digits than its factorization.
230430401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30402.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 230430401 is about 15179.9341566424. The cubic root of 230430401 is about 613.0745083552.
Adding to 230430401 its reverse (104034032), we get a palindrome (334464433).
The spelling of 230430401 in words is "two hundred thirty million, four hundred thirty thousand, four hundred one".
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