Base | Representation |
---|---|
bin | 111100000000… |
… | …0011100101101 |
3 | 2012012021210111 |
4 | 1320000130231 |
5 | 31023142432 |
6 | 3042140021 |
7 | 531253354 |
oct | 170003455 |
9 | 65167714 |
10 | 31459117 |
11 | 16837778 |
12 | a651611 |
13 | 6696181 |
14 | 426c99b |
15 | 2b66347 |
hex | 1e0072d |
31459117 has 8 divisors (see below), whose sum is σ = 33233760. Its totient is φ = 29696400.
The previous prime is 31459111. The next prime is 31459123. The reversal of 31459117 is 71195413.
It is an interprime number because it is at equal distance from previous prime (31459111) and next prime (31459123).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31459117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31459111) by changing a digit.
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, 2742 + ... + 8392.
It is an arithmetic number, because the mean of its divisors is an integer number (4154220).
Almost surely, 231459117 is an apocalyptic number.
It is an amenable number.
31459117 is a deficient number, since it is larger than the sum of its proper divisors (1774643).
31459117 is a wasteful number, since it uses less digits than its factorization.
31459117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5963.
The product of its digits is 3780, while the sum is 31.
The square root of 31459117 is about 5608.8427505146. The cubic root of 31459117 is about 315.6812901858.
The spelling of 31459117 in words is "thirty-one million, four hundred fifty-nine thousand, one hundred seventeen".
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