Base | Representation |
---|---|
bin | 111011010110… |
… | …0010010101101 |
3 | 2011112202221200 |
4 | 1312230102231 |
5 | 30431130123 |
6 | 3030520113 |
7 | 525316401 |
oct | 166542255 |
9 | 64482850 |
10 | 31114413 |
11 | 166217a0 |
12 | a506039 |
13 | 65a52c5 |
14 | 41bd101 |
15 | 2ae9143 |
hex | 1dac4ad |
31114413 has 24 divisors (see below), whose sum is σ = 50175840. Its totient is φ = 18416160.
The previous prime is 31114411. The next prime is 31114429. The reversal of 31114413 is 31441113.
It is not a de Polignac number, because 31114413 - 21 = 31114411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31114411) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603 + ... + 7911.
It is an arithmetic number, because the mean of its divisors is an integer number (2090660).
Almost surely, 231114413 is an apocalyptic number.
31114413 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
31114413 is a deficient number, since it is larger than the sum of its proper divisors (19061427).
31114413 is a wasteful number, since it uses less digits than its factorization.
31114413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7369 (or 7366 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 31114413 is about 5578.0294907790. The cubic root of 31114413 is about 314.5240582713.
Adding to 31114413 its reverse (31441113), we get a palindrome (62555526).
The spelling of 31114413 in words is "thirty-one million, one hundred fourteen thousand, four hundred thirteen".
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