Base | Representation |
---|---|
bin | 11011100101011… |
… | …11110110101000 |
3 | 121010102200202020 |
4 | 31302233312220 |
5 | 433220011031 |
6 | 34543504440 |
7 | 5506633011 |
oct | 1562576650 |
9 | 533380666 |
10 | 231407016 |
11 | 109694575 |
12 | 655b8120 |
13 | 38c32839 |
14 | 22a3a008 |
15 | 154b0096 |
hex | dcafda8 |
231407016 has 16 divisors (see below), whose sum is σ = 578517600. Its totient is φ = 77135664.
The previous prime is 231406969. The next prime is 231407017. The reversal of 231407016 is 610704132.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9641959 = 231407016 / (2 + 3 + 1 + 4 + 0 + 7 + 0 + 1 + 6).
It is not an unprimeable number, because it can be changed into a prime (231407017) 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 3 ways as a sum of consecutive naturals, for example, 4820956 + ... + 4821003.
It is an arithmetic number, because the mean of its divisors is an integer number (36157350).
Almost surely, 2231407016 is an apocalyptic number.
It is an amenable number.
231407016 is an abundant number, since it is smaller than the sum of its proper divisors (347110584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231407016 is a wasteful number, since it uses less digits than its factorization.
231407016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9641968 (or 9641964 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 231407016 is about 15212.0681039759. The cubic root of 231407016 is about 613.9394027491.
The spelling of 231407016 in words is "two hundred thirty-one million, four hundred seven thousand, sixteen".
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