Base | Representation |
---|---|
bin | 11011100100010… |
… | …10011101000000 |
3 | 121010010220121110 |
4 | 31302022131000 |
5 | 433200110244 |
6 | 34540323320 |
7 | 5505424254 |
oct | 1562123500 |
9 | 533126543 |
10 | 231253824 |
11 | 10959a46a |
12 | 65543540 |
13 | 38baaba9 |
14 | 229da264 |
15 | 1547e9b9 |
hex | dc8a740 |
231253824 has 28 divisors (see below), whose sum is σ = 611859584. Its totient is φ = 77084544.
The previous prime is 231253819. The next prime is 231253837. The reversal of 231253824 is 428352132.
It is a super-2 number, since 2×2312538242 = 106956662229245952, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231253791 and 231253800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602032 + ... + 602415.
It is an arithmetic number, because the mean of its divisors is an integer number (21852128).
Almost surely, 2231253824 is an apocalyptic number.
231253824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
231253824 is an abundant number, since it is smaller than the sum of its proper divisors (380605760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231253824 is a wasteful number, since it uses less digits than its factorization.
231253824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1204462 (or 1204452 counting only the distinct ones).
The product of its digits is 11520, while the sum is 30.
The square root of 231253824 is about 15207.0320575713. The cubic root of 231253824 is about 613.8038963901.
The spelling of 231253824 in words is "two hundred thirty-one million, two hundred fifty-three thousand, eight hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •