Base | Representation |
---|---|
bin | 11011011111010… |
… | …11101010001101 |
3 | 121001220212101212 |
4 | 31233223222031 |
5 | 433013302110 |
6 | 34514344205 |
7 | 5500045064 |
oct | 1557535215 |
9 | 531825355 |
10 | 230603405 |
11 | 10919582a |
12 | 6528b065 |
13 | 38a10b26 |
14 | 228ab1db |
15 | 153a1e05 |
hex | dbeba8d |
230603405 has 16 divisors (see below), whose sum is σ = 289540224. Its totient is φ = 175982400.
The previous prime is 230603383. The next prime is 230603407. The reversal of 230603405 is 504306032.
It is not a de Polignac number, because 230603405 - 210 = 230602381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230603407) 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, 43130 + ... + 48180.
It is an arithmetic number, because the mean of its divisors is an integer number (18096264).
Almost surely, 2230603405 is an apocalyptic number.
It is an amenable number.
230603405 is a deficient number, since it is larger than the sum of its proper divisors (58936819).
230603405 is a wasteful number, since it uses less digits than its factorization.
230603405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5476.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 230603405 is about 15185.6315311547. The cubic root of 230603405 is about 613.2278992981.
Adding to 230603405 its reverse (504306032), we get a palindrome (734909437).
The spelling of 230603405 in words is "two hundred thirty million, six hundred three thousand, four hundred five".
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