Base | Representation |
---|---|
bin | 10010101010000… |
… | …101101011101010 |
3 | 210211000020010020 |
4 | 102222011223222 |
5 | 1120113220320 |
6 | 51021101310 |
7 | 10520440053 |
oct | 2252055352 |
9 | 724006106 |
10 | 313023210 |
11 | 150769a75 |
12 | 889b7836 |
13 | 4cb0a746 |
14 | 2d80372a |
15 | 1c732940 |
hex | 12a85aea |
313023210 has 64 divisors (see below), whose sum is σ = 800077824. Its totient is φ = 78105600.
The previous prime is 313023203. The next prime is 313023211. The reversal of 313023210 is 12320313.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 313023210.
It is not an unprimeable number, because it can be changed into a prime (313023211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90615 + ... + 94005.
It is an arithmetic number, because the mean of its divisors is an integer number (12501216).
Almost surely, 2313023210 is an apocalyptic number.
313023210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 313023210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400038912).
313023210 is an abundant number, since it is smaller than the sum of its proper divisors (487054614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313023210 is a wasteful number, since it uses less digits than its factorization.
313023210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3599.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 313023210 is about 17692.4619541770. The cubic root of 313023210 is about 678.9829157678.
Adding to 313023210 its reverse (12320313), we get a palindrome (325343523).
The spelling of 313023210 in words is "three hundred thirteen million, twenty-three thousand, two hundred ten".
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