Base | Representation |
---|---|
bin | 111011111010… |
… | …1000111110111 |
3 | 2012002221011100 |
4 | 1313311013313 |
5 | 31020201402 |
6 | 3041141143 |
7 | 531001203 |
oct | 167650767 |
9 | 65087140 |
10 | 31412727 |
11 | 16805935 |
12 | a62a7b3 |
13 | 667b018 |
14 | 4259b03 |
15 | 2b5771c |
hex | 1df51f7 |
31412727 has 6 divisors (see below), whose sum is σ = 45373952. Its totient is φ = 20941812.
The previous prime is 31412723. The next prime is 31412737. The reversal of 31412727 is 72721413.
It is a happy number.
It is not a de Polignac number, because 31412727 - 22 = 31412723 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31412727.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31412723) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745143 + ... + 1745160.
Almost surely, 231412727 is an apocalyptic number.
31412727 is a deficient number, since it is larger than the sum of its proper divisors (13961225).
31412727 is a wasteful number, since it uses less digits than its factorization.
31412727 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3490309 (or 3490306 counting only the distinct ones).
The product of its digits is 2352, while the sum is 27.
The square root of 31412727 is about 5604.7057906727. The cubic root of 31412727 is about 315.5260446836.
It can be divided in two parts, 314 and 12727, that added together give a triangular number (13041 = T161).
The spelling of 31412727 in words is "thirty-one million, four hundred twelve thousand, seven hundred twenty-seven".
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