Base | Representation |
---|---|
bin | 111011110010… |
… | …1011100000101 |
3 | 2011222200001000 |
4 | 1313211130011 |
5 | 31011122420 |
6 | 3035523513 |
7 | 530313000 |
oct | 167453405 |
9 | 64880030 |
10 | 31348485 |
11 | 16771643 |
12 | a5b9599 |
13 | 66579cc |
14 | 4240537 |
15 | 2b43690 |
hex | 1de5705 |
31348485 has 64 divisors (see below), whose sum is σ = 65088000. Its totient is φ = 14309568.
The previous prime is 31348441. The next prime is 31348501. The reversal of 31348485 is 58484313.
It is not a de Polignac number, because 31348485 - 213 = 31340293 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45967 + ... + 46643.
It is an arithmetic number, because the mean of its divisors is an integer number (1017000).
Almost surely, 231348485 is an apocalyptic number.
31348485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
31348485 is an abundant number, since it is smaller than the sum of its proper divisors (33739515).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31348485 is an equidigital number, since it uses as much as digits as its factorization.
31348485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712 (or 692 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 31348485 is about 5598.9717806040. The cubic root of 31348485 is about 315.3108043457.
The spelling of 31348485 in words is "thirty-one million, three hundred forty-eight thousand, four hundred eighty-five".
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