Base | Representation |
---|---|
bin | 111011011000… |
… | …0010000110100 |
3 | 2011120121021000 |
4 | 1312300100310 |
5 | 30432140201 |
6 | 3031123300 |
7 | 525414663 |
oct | 166602064 |
9 | 64517230 |
10 | 31130676 |
11 | 16632a35 |
12 | a513530 |
13 | 65ac825 |
14 | 41c4dda |
15 | 2aedd86 |
hex | 1db0434 |
31130676 has 24 divisors (see below), whose sum is σ = 80709440. Its totient is φ = 10376856.
The previous prime is 31130657. The next prime is 31130711. The reversal of 31130676 is 67603113.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
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, 144016 + ... + 144231.
Almost surely, 231130676 is an apocalyptic number.
31130676 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
31130676 is an abundant number, since it is smaller than the sum of its proper divisors (49578764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31130676 is a wasteful number, since it uses less digits than its factorization.
31130676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288260 (or 288252 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 31130676 is about 5579.4870731995. The cubic root of 31130676 is about 314.5788476045.
Adding to 31130676 its reverse (67603113), we get a palindrome (98733789).
The spelling of 31130676 in words is "thirty-one million, one hundred thirty thousand, six hundred seventy-six".
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