Base | Representation |
---|---|
bin | 11011100000101… |
… | …01110001100001 |
3 | 121002020122000202 |
4 | 31300111301201 |
5 | 433034312110 |
6 | 34522154545 |
7 | 5501364023 |
oct | 1560256141 |
9 | 532218022 |
10 | 230775905 |
11 | 1092a3398 |
12 | 65352a55 |
13 | 38a714b9 |
14 | 22914013 |
15 | 153d80a5 |
hex | dc15c61 |
230775905 has 16 divisors (see below), whose sum is σ = 290594304. Its totient is φ = 175602240.
The previous prime is 230775899. The next prime is 230775911. The reversal of 230775905 is 509577032.
It is an interprime number because it is at equal distance from previous prime (230775899) and next prime (230775911).
It is not a de Polignac number, because 230775905 - 26 = 230775841 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15272 + ... + 26358.
It is an arithmetic number, because the mean of its divisors is an integer number (18162144).
Almost surely, 2230775905 is an apocalyptic number.
It is an amenable number.
230775905 is a deficient number, since it is larger than the sum of its proper divisors (59818399).
230775905 is a wasteful number, since it uses less digits than its factorization.
230775905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11296.
The product of its (nonzero) digits is 66150, while the sum is 38.
The square root of 230775905 is about 15191.3101804946. The cubic root of 230775905 is about 613.3807670139.
It can be divided in two parts, 23077 and 5905, that added together give a palindrome (28982).
The spelling of 230775905 in words is "two hundred thirty million, seven hundred seventy-five thousand, nine hundred five".
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