Base | Representation |
---|---|
bin | 11011100011111… |
… | …10001000000001 |
3 | 121010001100100021 |
4 | 31301332020001 |
5 | 433142001304 |
6 | 34535253441 |
7 | 5505124120 |
oct | 1561761001 |
9 | 533040307 |
10 | 231203329 |
11 | 109565535 |
12 | 6551a281 |
13 | 38b90c06 |
14 | 229c5ab7 |
15 | 1546ea54 |
hex | dc7e201 |
231203329 has 8 divisors (see below), whose sum is σ = 264337920. Its totient is φ = 198095136.
The previous prime is 231203327. The next prime is 231203333. The reversal of 231203329 is 923302132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231203329 - 21 = 231203327 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231203327) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 18597 + ... + 28429.
It is an arithmetic number, because the mean of its divisors is an integer number (33042240).
Almost surely, 2231203329 is an apocalyptic number.
It is an amenable number.
231203329 is a deficient number, since it is larger than the sum of its proper divisors (33134591).
231203329 is an equidigital number, since it uses as much as digits as its factorization.
231203329 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13199.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 231203329 is about 15205.3717152854. The cubic root of 231203329 is about 613.7592178008.
The spelling of 231203329 in words is "two hundred thirty-one million, two hundred three thousand, three hundred twenty-nine".
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