Base | Representation |
---|---|
bin | 111011111010… |
… | …1000110000100 |
3 | 2012002221000002 |
4 | 1313311012010 |
5 | 31020200422 |
6 | 3041140432 |
7 | 531000650 |
oct | 167650604 |
9 | 65087002 |
10 | 31412612 |
11 | 16805840 |
12 | a62a718 |
13 | 667ac5a |
14 | 4259a60 |
15 | 2b57692 |
hex | 1df5184 |
31412612 has 48 divisors (see below), whose sum is σ = 69457920. Its totient is φ = 12074400.
The previous prime is 31412609. The next prime is 31412629. The reversal of 31412612 is 21621413.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23687 + ... + 24977.
It is an arithmetic number, because the mean of its divisors is an integer number (1447040).
Almost surely, 231412612 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31412612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34728960).
31412612 is an abundant number, since it is smaller than the sum of its proper divisors (38045308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31412612 is a wasteful number, since it uses less digits than its factorization.
31412612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).
The product of its digits is 288, while the sum is 20.
The square root of 31412612 is about 5604.6955314272. The cubic root of 31412612 is about 315.5256596428.
The spelling of 31412612 in words is "thirty-one million, four hundred twelve thousand, six hundred twelve".
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