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311113244 = 22135982947
BaseRepresentation
bin10010100010110…
…011011000011100
3210200102012010202
4102202303120130
51114121110434
650512123032
710465263461
oct2242633034
9720365122
10311113244
1114a684a92
1288236478
134c5bc2a0
142d467668
151c4a6a7e
hex128b361c

311113244 has 12 divisors (see below), whose sum is σ = 586328904. Its totient is φ = 143590704.

The previous prime is 311113223. The next prime is 311113259. The reversal of 311113244 is 442311113.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2991422 + ... + 2991525.

It is an arithmetic number, because the mean of its divisors is an integer number (48860742).

Almost surely, 2311113244 is an apocalyptic number.

It is an amenable number.

311113244 is a deficient number, since it is larger than the sum of its proper divisors (275215660).

311113244 is a wasteful number, since it uses less digits than its factorization.

311113244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982964 (or 5982962 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 311113244 is about 17638.4025353772. The cubic root of 311113244 is about 677.5991196781.

Adding to 311113244 its reverse (442311113), we get a palindrome (753424357).

The spelling of 311113244 in words is "three hundred eleven million, one hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 5982947 11965894 23931788 77778311 155556622 311113244