Base | Representation |
---|---|
bin | 11011100101110… |
… | …10011110111000 |
3 | 121010111220110200 |
4 | 31302322132320 |
5 | 433222404202 |
6 | 34544442200 |
7 | 5510203644 |
oct | 1562723670 |
9 | 533456420 |
10 | 231450552 |
11 | 109714253 |
12 | 65619360 |
13 | 38c495b8 |
14 | 22a4bc24 |
15 | 154bce1c |
hex | dcba7b8 |
231450552 has 96 divisors (see below), whose sum is σ = 667602000. Its totient is φ = 72230400.
The previous prime is 231450551. The next prime is 231450613. The reversal of 231450552 is 255054132.
It is a happy number.
It is a super-2 number, since 2×2314505522 = 107138716042209408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231450551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120802 + ... + 122702.
Almost surely, 2231450552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231450552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333801000).
231450552 is an abundant number, since it is smaller than the sum of its proper divisors (436151448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231450552 is a wasteful number, since it uses less digits than its factorization.
231450552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2021 (or 2014 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 231450552 is about 15213.4990058172. The cubic root of 231450552 is about 613.9779017112.
The spelling of 231450552 in words is "two hundred thirty-one million, four hundred fifty thousand, five hundred fifty-two".
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