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313322020 = 225111424191
BaseRepresentation
bin10010101011001…
…110101000100100
3210211120102000021
4102223032220210
51120202301040
651031324524
710523123164
oct2253165044
9724512007
10313322020
11150953520
1288b20744
134cbb375b
142d8805a4
151c79124a
hex12acea24

313322020 has 24 divisors (see below), whose sum is σ = 717792768. Its totient is φ = 113935200.

The previous prime is 313322017. The next prime is 313322021. The reversal of 313322020 is 20223313.

It is a junction number, because it is equal to n+sod(n) for n = 313321985 and 313322003.

It is not an unprimeable number, because it can be changed into a prime (313322021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711876 + ... + 712315.

It is an arithmetic number, because the mean of its divisors is an integer number (29908032).

Almost surely, 2313322020 is an apocalyptic number.

It is an amenable number.

313322020 is an abundant number, since it is smaller than the sum of its proper divisors (404470748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313322020 is a wasteful number, since it uses less digits than its factorization.

313322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424211 (or 1424209 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 313322020 is about 17700.9044966634. The cubic root of 313322020 is about 679.1988980066.

Adding to 313322020 its reverse (20223313), we get a palindrome (333545333).

The spelling of 313322020 in words is "three hundred thirteen million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1424191 2848382 5696764 7120955 14241910 15666101 28483820 31332202 62664404 78330505 156661010 313322020