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8313228924 = 223711136131129
BaseRepresentation
bin1111011111000000…
…11100111001111100
3210110100210210012120
413233200130321330
5114011141311144
63452525202540
7413003165010
oct75740347174
923410723176
108313228924
113586667a30
121740100450
13a263c3390
1458c122540
15339c6de19
hex1ef81ce7c

8313228924 has 192 divisors, whose sum is σ = 26109834240. Its totient is φ = 1988167680.

The previous prime is 8313228893. The next prime is 8313228929. The reversal of 8313228924 is 4298223138.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8313228929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7362792 + ... + 7363920.

It is an arithmetic number, because the mean of its divisors is an integer number (135988720).

Almost surely, 28313228924 is an apocalyptic number.

8313228924 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8313228924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13054917120).

8313228924 is an abundant number, since it is smaller than the sum of its proper divisors (17796605316).

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

8313228924 is a wasteful number, since it uses less digits than its factorization.

8313228924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1778 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 8313228924 is about 91176.9100375748. The cubic root of 8313228924 is about 2025.7689645975.

The spelling of 8313228924 in words is "eight billion, three hundred thirteen million, two hundred twenty-eight thousand, nine hundred twenty-four".