Base | Representation |
---|---|
bin | 111011011000… |
… | …1000110110010 |
3 | 2011120202222221 |
4 | 1312301012302 |
5 | 30432243010 |
6 | 3031151254 |
7 | 525431026 |
oct | 166610662 |
9 | 64522887 |
10 | 31134130 |
11 | 16635595 |
12 | a51552a |
13 | 65b1281 |
14 | 41c6386 |
15 | 2aeedda |
hex | 1db11b2 |
31134130 has 16 divisors (see below), whose sum is σ = 56718144. Its totient is φ = 12303280.
The previous prime is 31134127. The next prime is 31134133. The reversal of 31134130 is 3143113.
It is an interprime number because it is at equal distance from previous prime (31134127) and next prime (31134133).
It is not an unprimeable number, because it can be changed into a prime (31134133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17926 + ... + 19585.
It is an arithmetic number, because the mean of its divisors is an integer number (3544884).
Almost surely, 231134130 is an apocalyptic number.
31134130 is a deficient number, since it is larger than the sum of its proper divisors (25584014).
31134130 is a wasteful number, since it uses less digits than its factorization.
31134130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37601.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 31134130 is about 5579.7965912746. The cubic root of 31134130 is about 314.5904815221.
Adding to 31134130 its reverse (3143113), we get a palindrome (34277243).
The spelling of 31134130 in words is "thirty-one million, one hundred thirty-four thousand, one hundred thirty".
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