Base | Representation |
---|---|
bin | 11011100110111… |
… | …11101000110110 |
3 | 121010210122020100 |
4 | 31303133220312 |
5 | 433242241432 |
6 | 34552014530 |
7 | 5511406440 |
oct | 1563375066 |
9 | 533718210 |
10 | 231602742 |
11 | 109808628 |
12 | 65691446 |
13 | 38ca0957 |
14 | 22a8b490 |
15 | 154ed07c |
hex | dcdfa36 |
231602742 has 96 divisors (see below), whose sum is σ = 611020800. Its totient is φ = 61928064.
The previous prime is 231602741. The next prime is 231602753. The reversal of 231602742 is 247206132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231602741) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212523 + ... + 213609.
It is an arithmetic number, because the mean of its divisors is an integer number (6364800).
Almost surely, 2231602742 is an apocalyptic number.
It is a pronic number, being equal to 15218×15219.
It is a practical number, because each smaller number is the sum of distinct divisors of 231602742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305510400).
231602742 is an abundant number, since it is smaller than the sum of its proper divisors (379418058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231602742 is a wasteful number, since it uses less digits than its factorization.
231602742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1210 (or 1207 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 231602742 is about 15218.4999917863. The cubic root of 231602742 is about 614.1124456743.
Adding to 231602742 its reverse (247206132), we get a palindrome (478808874).
The spelling of 231602742 in words is "two hundred thirty-one million, six hundred two thousand, seven hundred forty-two".
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