Base | Representation |
---|---|
bin | 111011001100… |
… | …0110010100010 |
3 | 2011101201101001 |
4 | 1312120302202 |
5 | 30421101110 |
6 | 3025102214 |
7 | 524534452 |
oct | 166306242 |
9 | 64351331 |
10 | 31034530 |
11 | 1657777a |
12 | a48796a |
13 | 6577b37 |
14 | 419bd62 |
15 | 2ad063a |
hex | 1d98ca2 |
31034530 has 32 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 12130752.
The previous prime is 31034491. The next prime is 31034551. The reversal of 31034530 is 3543013.
It is a junction number, because it is equal to n+sod(n) for n = 31034498 and 31034507.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115236 + ... + 115504.
It is an arithmetic number, because the mean of its divisors is an integer number (1786050).
Almost surely, 231034530 is an apocalyptic number.
31034530 is a deficient number, since it is larger than the sum of its proper divisors (26119070).
31034530 is a wasteful number, since it uses less digits than its factorization.
31034530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 31034530 is about 5570.8643853535. The cubic root of 31034530 is about 314.2546583835.
Adding to 31034530 its reverse (3543013), we get a palindrome (34577543).
The spelling of 31034530 in words is "thirty-one million, thirty-four thousand, five hundred thirty".
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