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831430084 = 221793713049
BaseRepresentation
bin110001100011101…
…001110111000100
32010221111000122211
4301203221313010
53200321230314
6214300233204
726414016262
oct6143516704
92127430584
10831430084
11397358801
121b253b804
13103338a84
147c5cb432
154ced49c4
hex318e9dc4

831430084 has 24 divisors (see below), whose sum is σ = 1542353400. Its totient is φ = 390813696.

The previous prime is 831430031. The next prime is 831430109. The reversal of 831430084 is 480034138.

831430084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71876484 + 759553600 = 8478^2 + 27560^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57192 + ... + 70240.

It is an arithmetic number, because the mean of its divisors is an integer number (64264725).

Almost surely, 2831430084 is an apocalyptic number.

It is an amenable number.

831430084 is a deficient number, since it is larger than the sum of its proper divisors (710923316).

831430084 is a wasteful number, since it uses less digits than its factorization.

831430084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14007 (or 14005 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 831430084 is about 28834.5293701839. The cubic root of 831430084 is about 940.3190723070.

The spelling of 831430084 in words is "eight hundred thirty-one million, four hundred thirty thousand, eighty-four".

Divisors: 1 2 4 17 34 68 937 1874 3748 13049 15929 26098 31858 52196 63716 221833 443666 887332 12226913 24453826 48907652 207857521 415715042 831430084