Base | Representation |
---|---|
bin | 111011011010… |
… | …0110000000100 |
3 | 2011121112110220 |
4 | 1312310300010 |
5 | 30433232220 |
6 | 3031344340 |
7 | 525522405 |
oct | 166646004 |
9 | 64545426 |
10 | 31149060 |
11 | 16645828 |
12 | a5220b0 |
13 | 65b7cc7 |
14 | 41cb9ac |
15 | 2b04540 |
hex | 1db4c04 |
31149060 has 24 divisors (see below), whose sum is σ = 87217536. Its totient is φ = 8306400.
The previous prime is 31149059. The next prime is 31149119. The reversal of 31149060 is 6094113.
It is a self number, because there is not a number n which added to its sum of digits gives 31149060.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259516 + ... + 259635.
It is an arithmetic number, because the mean of its divisors is an integer number (3634064).
Almost surely, 231149060 is an apocalyptic number.
31149060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31149060 is an abundant number, since it is smaller than the sum of its proper divisors (56068476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31149060 is a wasteful number, since it uses less digits than its factorization.
31149060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 519163 (or 519161 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 31149060 is about 5581.1342933135. The cubic root of 31149060 is about 314.6407595216.
The spelling of 31149060 in words is "thirty-one million, one hundred forty-nine thousand, sixty".
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