Base | Representation |
---|---|
bin | 111011100110… |
… | …0001011101010 |
3 | 2011210102010111 |
4 | 1313030023222 |
5 | 30444320114 |
6 | 3033404534 |
7 | 526402252 |
oct | 167141352 |
9 | 64712114 |
10 | 31245034 |
11 | 16700947 |
12 | a56974a |
13 | 661c8b2 |
14 | 4214962 |
15 | 2b22bc4 |
hex | 1dcc2ea |
31245034 has 8 divisors (see below), whose sum is σ = 48010788. Its totient is φ = 15241440.
The previous prime is 31245023. The next prime is 31245059. The reversal of 31245034 is 43054213.
It can be written as a sum of positive squares in 2 ways, for example, as 29430625 + 1814409 = 5425^2 + 1347^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×312450342 = 1952504299322312, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31244996 and 31245014.
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, 190437 + ... + 190600.
Almost surely, 231245034 is an apocalyptic number.
31245034 is a deficient number, since it is larger than the sum of its proper divisors (16765754).
31245034 is a wasteful number, since it uses less digits than its factorization.
31245034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381080.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 31245034 is about 5589.7257535589. The cubic root of 31245034 is about 314.9635768753.
Adding to 31245034 its reverse (43054213), we get a palindrome (74299247).
The spelling of 31245034 in words is "thirty-one million, two hundred forty-five thousand, thirty-four".
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