Base | Representation |
---|---|
bin | 111011011111… |
… | …1010001000110 |
3 | 2011200201120020 |
4 | 1312333101012 |
5 | 30441122014 |
6 | 3032320010 |
7 | 526062111 |
oct | 166772106 |
9 | 64621506 |
10 | 31192134 |
11 | 16675126 |
12 | a543006 |
13 | 66017ac |
14 | 41dd578 |
15 | 2b121a9 |
hex | 1dbf446 |
31192134 has 8 divisors (see below), whose sum is σ = 62384280. Its totient is φ = 10397376.
The previous prime is 31192099. The next prime is 31192141. The reversal of 31192134 is 43129113.
It is a sphenic number, since it is the product of 3 distinct primes.
31192134 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2599339 + ... + 2599350.
It is an arithmetic number, because the mean of its divisors is an integer number (7798035).
Almost surely, 231192134 is an apocalyptic number.
31192134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31192134 is a wasteful number, since it uses less digits than its factorization.
31192134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5198694.
The product of its digits is 648, while the sum is 24.
The square root of 31192134 is about 5584.9918531722. The cubic root of 31192134 is about 314.7857247711.
It can be divided in two parts, 3119 and 2134, that added together give a triangular number (5253 = T102).
The spelling of 31192134 in words is "thirty-one million, one hundred ninety-two thousand, one hundred thirty-four".
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