Base | Representation |
---|---|
bin | 11011011101110… |
… | …01111000011111 |
3 | 121001112111201112 |
4 | 31232321320133 |
5 | 432440241034 |
6 | 34510132235 |
7 | 5465235500 |
oct | 1556717037 |
9 | 531474645 |
10 | 230399519 |
11 | 109066629 |
12 | 651b107b |
13 | 3896c09c |
14 | 22856ba7 |
15 | 153617ce |
hex | dbb9e1f |
230399519 has 18 divisors (see below), whose sum is σ = 277626024. Its totient is φ = 190641360.
The previous prime is 230399503. The next prime is 230399527. The reversal of 230399519 is 915993032.
It is a happy number.
It is not a de Polignac number, because 230399519 - 24 = 230399503 is a prime.
It is a super-2 number, since 2×2303995192 = 106167876710862722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230399539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38414 + ... + 44004.
It is an arithmetic number, because the mean of its divisors is an integer number (15423668).
Almost surely, 2230399519 is an apocalyptic number.
230399519 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
230399519 is a deficient number, since it is larger than the sum of its proper divisors (47226505).
230399519 is an equidigital number, since it uses as much as digits as its factorization.
230399519 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5663 (or 5627 counting only the distinct ones).
The product of its (nonzero) digits is 65610, while the sum is 41.
The square root of 230399519 is about 15178.9169244713. The cubic root of 230399519 is about 613.0471193002.
The spelling of 230399519 in words is "two hundred thirty million, three hundred ninety-nine thousand, five hundred nineteen".
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