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311120084 = 221111935927
BaseRepresentation
bin10010100010110…
…101000011010100
3210200102112112002
4102202311003110
51114121320314
650512214432
710465322432
oct2242650324
9720375462
10311120084
1114a68a140
128823a418
134c5c2432
142d469d52
151c4a8ade
hex128b50d4

311120084 has 24 divisors (see below), whose sum is σ = 594554688. Its totient is φ = 141275840.

The previous prime is 311120081. The next prime is 311120099. The reversal of 311120084 is 480021113.

311120084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49529 + ... + 55455.

It is an arithmetic number, because the mean of its divisors is an integer number (24773112).

Almost surely, 2311120084 is an apocalyptic number.

It is an amenable number.

311120084 is a deficient number, since it is larger than the sum of its proper divisors (283434604).

311120084 is a wasteful number, since it uses less digits than its factorization.

311120084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135 (or 7133 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 311120084 is about 17638.5964294215. The cubic root of 311120084 is about 677.6040854413.

Adding to 311120084 its reverse (480021113), we get a palindrome (791141197).

The spelling of 311120084 in words is "three hundred eleven million, one hundred twenty thousand, eighty-four".

Divisors: 1 2 4 11 22 44 1193 2386 4772 5927 11854 13123 23708 26246 52492 65197 130394 260788 7070911 14141822 28283644 77780021 155560042 311120084