Base | Representation |
---|---|
bin | 11011100010100… |
… | …10100111101100 |
3 | 121002201021220101 |
4 | 31301102213230 |
5 | 433120301012 |
6 | 34531400444 |
7 | 5503452442 |
oct | 1561224754 |
9 | 532637811 |
10 | 231025132 |
11 | 109453668 |
12 | 65453124 |
13 | 38b2aa80 |
14 | 2297ab92 |
15 | 15436d57 |
hex | dc529ec |
231025132 has 24 divisors (see below), whose sum is σ = 440294400. Its totient is φ = 105426816.
The previous prime is 231025129. The next prime is 231025229. The reversal of 231025132 is 231520132.
231025132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2310251322 = 106745223231234848, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20332 + ... + 29587.
It is an arithmetic number, because the mean of its divisors is an integer number (18345600).
Almost surely, 2231025132 is an apocalyptic number.
It is an amenable number.
231025132 is a deficient number, since it is larger than the sum of its proper divisors (209269268).
231025132 is a wasteful number, since it uses less digits than its factorization.
231025132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50025 (or 50023 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 231025132 is about 15199.5109131840. The cubic root of 231025132 is about 613.6014949249.
Adding to 231025132 its reverse (231520132), we get a palindrome (462545264).
The spelling of 231025132 in words is "two hundred thirty-one million, twenty-five thousand, one hundred thirty-two".
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