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2831024308 = 227809124979
BaseRepresentation
bin1010100010111110…
…0000000010110100
321022022001221021011
42220233200002310
521244220234213
61144530402004
7130104211120
oct25057400264
97268057234
102831024308
111223048512
12670130304
133616a0518
141cbdbc580
1511881703d
hexa8be00b4

2831024308 has 24 divisors (see below), whose sum is σ = 5669092800. Its totient is φ = 1211786688.

The previous prime is 2831024303. The next prime is 2831024321. The reversal of 2831024308 is 8034201382.

It is a self number, because there is not a number n which added to its sum of digits gives 2831024308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831024303) 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, 39838 + ... + 85141.

It is an arithmetic number, because the mean of its divisors is an integer number (236212200).

Almost surely, 22831024308 is an apocalyptic number.

2831024308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2831024308 is an abundant number, since it is smaller than the sum of its proper divisors (2838068492).

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

2831024308 is a wasteful number, since it uses less digits than its factorization.

2831024308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125799 (or 125797 counting only the distinct ones).

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

The square root of 2831024308 is about 53207.3708051807. The cubic root of 2831024308 is about 1414.6462938249.

The spelling of 2831024308 in words is "two billion, eight hundred thirty-one million, twenty-four thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 809 1618 3236 5663 11326 22652 124979 249958 499916 874853 1749706 3499412 101108011 202216022 404432044 707756077 1415512154 2831024308