Base | Representation |
---|---|
bin | 10010100110010… |
… | …010000101010110 |
3 | 210202010112102102 |
4 | 102212102011112 |
5 | 1114334303210 |
6 | 50543442102 |
7 | 10506113063 |
oct | 2246220526 |
9 | 722115372 |
10 | 312025430 |
11 | 150148362 |
12 | 885b6332 |
13 | 4c84b542 |
14 | 2d623c6a |
15 | 1c5d6ea5 |
hex | 12992156 |
312025430 has 8 divisors (see below), whose sum is σ = 561645792. Its totient is φ = 124810168.
The previous prime is 312025409. The next prime is 312025451. The reversal of 312025430 is 34520213.
It is a happy number.
312025430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (312025409) and next prime (312025451).
It is a sphenic number, since it is the product of 3 distinct primes.
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, 15601262 + ... + 15601281.
It is an arithmetic number, because the mean of its divisors is an integer number (70205724).
Almost surely, 2312025430 is an apocalyptic number.
312025430 is a deficient number, since it is larger than the sum of its proper divisors (249620362).
312025430 is a wasteful number, since it uses less digits than its factorization.
312025430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31202550.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 312025430 is about 17664.2415631128. The cubic root of 312025430 is about 678.2607151336.
Adding to 312025430 its reverse (34520213), we get a palindrome (346545643).
The spelling of 312025430 in words is "three hundred twelve million, twenty-five thousand, four hundred thirty".
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