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5208479388 = 2233753612131
BaseRepresentation
bin1001101100111001…
…10001011010011100
3111102222200011112000
410312130301122130
541131332320023
62220455442300
7243033226050
oct46634613234
914388604460
105208479388
112233061722
121014386390
136500c4588
14375a4dc60
152073d8243
hex13673169c

5208479388 has 192 divisors, whose sum is σ = 15988976640. Its totient is φ = 1435449600.

The previous prime is 5208479377. The next prime is 5208479389. The reversal of 5208479388 is 8839748025.

It is a happy number.

5208479388 is a `hidden beast` number, since 520 + 84 + 7 + 9 + 38 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208479389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2443083 + ... + 2445213.

It is an arithmetic number, because the mean of its divisors is an integer number (83275920).

Almost surely, 25208479388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5208479388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7994488320).

5208479388 is an abundant number, since it is smaller than the sum of its proper divisors (10780497252).

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

5208479388 is a wasteful number, since it uses less digits than its factorization.

5208479388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 5208479388 is about 72169.7955380227. The cubic root of 5208479388 is about 1733.4193887091.

The spelling of 5208479388 in words is "five billion, two hundred eight million, four hundred seventy-nine thousand, three hundred eighty-eight".