Base | Representation |
---|---|
bin | 111011100100… |
… | …1110000000010 |
3 | 2011202220110121 |
4 | 1313021300002 |
5 | 30444010244 |
6 | 3033250454 |
7 | 526331233 |
oct | 167116002 |
9 | 64686417 |
10 | 31235074 |
11 | 166a4412 |
12 | a563a2a |
13 | 66181c0 |
14 | 421108a |
15 | 2b1ec84 |
hex | 1dc9c02 |
31235074 has 16 divisors (see below), whose sum is σ = 50650488. Its totient is φ = 14360832.
The previous prime is 31235063. The next prime is 31235123. The reversal of 31235074 is 47053213.
It can be written as a sum of positive squares in 4 ways, for example, as 6285049 + 24950025 = 2507^2 + 4995^2 .
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, 5034 + ... + 9370.
Almost surely, 231235074 is an apocalyptic number.
31235074 is a deficient number, since it is larger than the sum of its proper divisors (19415414).
31235074 is a wasteful number, since it uses less digits than its factorization.
31235074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4629.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 31235074 is about 5588.8347622738. The cubic root of 31235074 is about 314.9301062699.
Adding to 31235074 its reverse (47053213), we get a palindrome (78288287).
The spelling of 31235074 in words is "thirty-one million, two hundred thirty-five thousand, seventy-four".
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