Base | Representation |
---|---|
bin | 111011111010… |
… | …1100010100101 |
3 | 2012010000111200 |
4 | 1313311202211 |
5 | 31020230222 |
6 | 3041153113 |
7 | 531006165 |
oct | 167654245 |
9 | 65100450 |
10 | 31414437 |
11 | 1680714a |
12 | a62b799 |
13 | 667ba32 |
14 | 425a5a5 |
15 | 2b57eac |
hex | 1df58a5 |
31414437 has 6 divisors (see below), whose sum is σ = 45376422. Its totient is φ = 20942952.
The previous prime is 31414387. The next prime is 31414463. The reversal of 31414437 is 73441413.
It can be written as a sum of positive squares in only one way, i.e., 27029601 + 4384836 = 5199^2 + 2094^2 .
It is not a de Polignac number, because 31414437 - 211 = 31412389 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31414437.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31414477) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745238 + ... + 1745255.
It is an arithmetic number, because the mean of its divisors is an integer number (7562737).
Almost surely, 231414437 is an apocalyptic number.
It is an amenable number.
31414437 is a deficient number, since it is larger than the sum of its proper divisors (13961985).
31414437 is a wasteful number, since it uses less digits than its factorization.
31414437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3490499 (or 3490496 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 31414437 is about 5604.8583389770. The cubic root of 31414437 is about 315.5317699612.
The spelling of 31414437 in words is "thirty-one million, four hundred fourteen thousand, four hundred thirty-seven".
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