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8990443224 = 2332737895417
BaseRepresentation
bin10000101111101111…
…10100011011011000
3212012120002211120200
420113313310123120
5121403023140344
64044040222200
7435535335510
oct102767643330
925176084520
108990443224
1138a3964074
1218aaa6a960
13b037b53b9
14614048840
15379440069
hex217df46d8

8990443224 has 192 divisors, whose sum is σ = 28906113600. Its totient is φ = 2470735872.

The previous prime is 8990443193. The next prime is 8990443229. The reversal of 8990443224 is 4223440998.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8990443224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990443229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1656964 + ... + 1662380.

It is an arithmetic number, because the mean of its divisors is an integer number (150552675).

Almost surely, 28990443224 is an apocalyptic number.

8990443224 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 8990443224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14453056800).

8990443224 is an abundant number, since it is smaller than the sum of its proper divisors (19915670376).

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

8990443224 is a wasteful number, since it uses less digits than its factorization.

8990443224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 8990443224 is about 94817.9477947081. The cubic root of 8990443224 is about 2079.3473069208.

The spelling of 8990443224 in words is "eight billion, nine hundred ninety million, four hundred forty-three thousand, two hundred twenty-four".