Base | Representation |
---|---|
bin | 11011100011000… |
… | …00111010100100 |
3 | 121002211021012222 |
4 | 31301200322210 |
5 | 433124134214 |
6 | 34532531512 |
7 | 5504115236 |
oct | 1561407244 |
9 | 532737188 |
10 | 231083684 |
11 | 109493657 |
12 | 65480b98 |
13 | 38b4b610 |
14 | 22994256 |
15 | 1544938e |
hex | dc60ea4 |
231083684 has 24 divisors (see below), whose sum is σ = 436772280. Its totient is φ = 106343424.
The previous prime is 231083683. The next prime is 231083701. The reversal of 231083684 is 486380132.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2166784 + 228916900 = 1472^2 + 15130^2 .
It is a super-2 number, since 2×2310836842 = 106799338022023712, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (231083683) 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, 12062 + ... + 24650.
It is an arithmetic number, because the mean of its divisors is an integer number (18198845).
Almost surely, 2231083684 is an apocalyptic number.
It is an amenable number.
231083684 is a deficient number, since it is larger than the sum of its proper divisors (205688596).
231083684 is a wasteful number, since it uses less digits than its factorization.
231083684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12959 (or 12957 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 231083684 is about 15201.4369057665. The cubic root of 231083684 is about 613.6533284774.
The spelling of 231083684 in words is "two hundred thirty-one million, eighty-three thousand, six hundred eighty-four".
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