Base | Representation |
---|---|
bin | 11011100101110… |
… | …10110101100000 |
3 | 121010111222110022 |
4 | 31302322311200 |
5 | 433222431000 |
6 | 34544453012 |
7 | 5510211113 |
oct | 1562726540 |
9 | 533458408 |
10 | 231452000 |
11 | 10971534a |
12 | 6561a168 |
13 | 38c4a160 |
14 | 22a4c57a |
15 | 154bd585 |
hex | dcbad60 |
231452000 has 96 divisors (see below), whose sum is σ = 612559584. Its totient is φ = 85440000.
The previous prime is 231451963. The next prime is 231452009. The reversal of 231452000 is 254132.
It is a super-4 number, since 4×2314520004 (a number of 35 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 231452000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231452009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49775 + ... + 54225.
It is an arithmetic number, because the mean of its divisors is an integer number (6380829).
Almost surely, 2231452000 is an apocalyptic number.
231452000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306279792).
231452000 is an abundant number, since it is smaller than the sum of its proper divisors (381107584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231452000 is a wasteful number, since it uses less digits than its factorization.
231452000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4489 (or 4471 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 231452000 is about 15213.5465950580. The cubic root of 231452000 is about 613.9791820972.
The spelling of 231452000 in words is "two hundred thirty-one million, four hundred fifty-two thousand".
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