Base | Representation |
---|---|
bin | 11011100101001… |
… | …10010100001110 |
3 | 121010100201011100 |
4 | 31302212110032 |
5 | 433212233300 |
6 | 34543003530 |
7 | 5506411062 |
oct | 1562462416 |
9 | 533321140 |
10 | 231367950 |
11 | 109668190 |
12 | 655995a6 |
13 | 38c1ab18 |
14 | 22a29aa2 |
15 | 154a3700 |
hex | dca650e |
231367950 has 144 divisors (see below), whose sum is σ = 694526976. Its totient is φ = 54734400.
The previous prime is 231367933. The next prime is 231367957. The reversal of 231367950 is 59763132.
231367950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2313679502 = 107062256574405000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231367957) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 212307 + ... + 213393.
It is an arithmetic number, because the mean of its divisors is an integer number (4823104).
Almost surely, 2231367950 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231367950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347263488).
231367950 is an abundant number, since it is smaller than the sum of its proper divisors (463159026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231367950 is a wasteful number, since it uses less digits than its factorization.
231367950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1159 (or 1151 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 36.
The square root of 231367950 is about 15210.7840034628. The cubic root of 231367950 is about 613.9048525052.
The spelling of 231367950 in words is "two hundred thirty-one million, three hundred sixty-seven thousand, nine hundred fifty".
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