Base | Representation |
---|---|
bin | 110110100101001… |
… | …0111010000001110 |
3 | 11201122011110002101 |
4 | 1231022113100032 |
5 | 12222321330410 |
6 | 501421545314 |
7 | 63245632324 |
oct | 15512272016 |
9 | 4648143071 |
10 | 1831433230 |
11 | 85a883990 |
12 | 43141523a |
13 | 232577503 |
14 | 135339d14 |
15 | aabb6d3a |
hex | 6d29740e |
1831433230 has 64 divisors (see below), whose sum is σ = 3732480000. Its totient is φ = 640904320.
The previous prime is 1831433207. The next prime is 1831433231. The reversal of 1831433230 is 323341381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1831433231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1221021 + ... + 1222519.
It is an arithmetic number, because the mean of its divisors is an integer number (58320000).
Almost surely, 21831433230 is an apocalyptic number.
1831433230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1831433230 is an abundant number, since it is smaller than the sum of its proper divisors (1901046770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1831433230 is a wasteful number, since it uses less digits than its factorization.
1831433230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1929.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 1831433230 is about 42795.2477501883. The cubic root of 1831433230 is about 1223.4804381915.
The spelling of 1831433230 in words is "one billion, eight hundred thirty-one million, four hundred thirty-three thousand, two hundred thirty".
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