Base | Representation |
---|---|
bin | 111011011000… |
… | …1000101111011 |
3 | 2011120202220220 |
4 | 1312301011323 |
5 | 30432242300 |
6 | 3031151123 |
7 | 525430620 |
oct | 166610573 |
9 | 64522826 |
10 | 31134075 |
11 | 16635545 |
12 | a5154a3 |
13 | 65b123b |
14 | 41c6347 |
15 | 2aeeda0 |
hex | 1db117b |
31134075 has 48 divisors (see below), whose sum is σ = 60758016. Its totient is φ = 13766400.
The previous prime is 31134073. The next prime is 31134079. The reversal of 31134075 is 57043113.
It is not a de Polignac number, because 31134075 - 21 = 31134073 is a prime.
It is a super-2 number, since 2×311340752 = 1938661252211250, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31134073) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15319 + ... + 17231.
It is an arithmetic number, because the mean of its divisors is an integer number (1265792).
Almost surely, 231134075 is an apocalyptic number.
31134075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
31134075 is a deficient number, since it is larger than the sum of its proper divisors (29623941).
31134075 is a wasteful number, since it uses less digits than its factorization.
31134075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1964 (or 1959 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 31134075 is about 5579.7916627774. The cubic root of 31134075 is about 314.5902962754.
Adding to 31134075 its reverse (57043113), we get a palindrome (88177188).
The spelling of 31134075 in words is "thirty-one million, one hundred thirty-four thousand, seventy-five".
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