Base | Representation |
---|---|
bin | 111011010001… |
… | …1111001100010 |
3 | 2011111000210101 |
4 | 1312203321202 |
5 | 30424030114 |
6 | 3030053014 |
7 | 525114226 |
oct | 166437142 |
9 | 64430711 |
10 | 31080034 |
11 | 165a8987 |
12 | a4aa16a |
13 | 659276b |
14 | 41b0786 |
15 | 2addd74 |
hex | 1da3e62 |
31080034 has 8 divisors (see below), whose sum is σ = 46917468. Its totient is φ = 15440880.
The previous prime is 31080031. The next prime is 31080041. The reversal of 31080034 is 43008013.
It can be written as a sum of positive squares in 2 ways, for example, as 27092025 + 3988009 = 5205^2 + 1997^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 31079993 and 31080020.
It is not an unprimeable number, because it can be changed into a prime (31080031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49177 + ... + 49804.
Almost surely, 231080034 is an apocalyptic number.
31080034 is a deficient number, since it is larger than the sum of its proper divisors (15837434).
31080034 is a wasteful number, since it uses less digits than its factorization.
31080034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99140.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 31080034 is about 5574.9469952637. The cubic root of 31080034 is about 314.4081740608.
Adding to 31080034 its reverse (43008013), we get a palindrome (74088047).
The spelling of 31080034 in words is "thirty-one million, eighty thousand, thirty-four".
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