Base | Representation |
---|---|
bin | 111011010110… |
… | …1011101101110 |
3 | 2011120000112111 |
4 | 1312231131232 |
5 | 30431303324 |
6 | 3030554234 |
7 | 525336400 |
oct | 166553556 |
9 | 64500474 |
10 | 31119214 |
11 | 16625365 |
12 | a50897a |
13 | 65a7549 |
14 | 41c0b70 |
15 | 2aea794 |
hex | 1dad76e |
31119214 has 24 divisors (see below), whose sum is σ = 57497040. Its totient is φ = 12551616.
The previous prime is 31119119. The next prime is 31119223. The reversal of 31119214 is 41291113.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 7674 + ... + 11005.
It is an arithmetic number, because the mean of its divisors is an integer number (2395710).
Almost surely, 231119214 is an apocalyptic number.
31119214 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
31119214 is a deficient number, since it is larger than the sum of its proper divisors (26377826).
31119214 is a wasteful number, since it uses less digits than its factorization.
31119214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18712 (or 18705 counting only the distinct ones).
The product of its digits is 216, while the sum is 22.
The square root of 31119214 is about 5578.4598232846. The cubic root of 31119214 is about 314.5402346153.
The spelling of 31119214 in words is "thirty-one million, one hundred nineteen thousand, two hundred fourteen".
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