Base | Representation |
---|---|
bin | 10010101000100… |
… | …101101111110100 |
3 | 210210021021002112 |
4 | 102220211233310 |
5 | 1120013132020 |
6 | 51004430152 |
7 | 10514212325 |
oct | 2250455764 |
9 | 723237075 |
10 | 312630260 |
11 | 150520818 |
12 | 88848358 |
13 | 4ca00927 |
14 | 2d74044c |
15 | 1c6a62c5 |
hex | 12a25bf4 |
312630260 has 48 divisors (see below), whose sum is σ = 688528512. Its totient is φ = 119011200.
The previous prime is 312630223. The next prime is 312630271. The reversal of 312630260 is 62036213.
312630260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a congruent number.
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, 95450 + ... + 98670.
It is an arithmetic number, because the mean of its divisors is an integer number (14344344).
Almost surely, 2312630260 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 312630260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344264256).
312630260 is an abundant number, since it is smaller than the sum of its proper divisors (375898252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312630260 is a wasteful number, since it uses less digits than its factorization.
312630260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3464 (or 3462 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 312630260 is about 17681.3534549819. The cubic root of 312630260 is about 678.6986790613.
Adding to 312630260 its reverse (62036213), we get a palindrome (374666473).
The spelling of 312630260 in words is "three hundred twelve million, six hundred thirty thousand, two hundred sixty".
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