Search a number
-
+
5391386208 = 25321323137457
BaseRepresentation
bin1010000010101101…
…00000011001100000
3111220201211210111200
411001112200121200
542020143324313
62250552041200
7250414012065
oct50126403140
914821753450
105391386208
11231732a28a
121065693200
1367bc75570
14392062c6c
152184b7b73
hex1415a0660

5391386208 has 288 divisors, whose sum is σ = 17392729536. Its totient is φ = 1571733504.

The previous prime is 5391386167. The next prime is 5391386213. The reversal of 5391386208 is 8026831935.

It is a happy number.

5391386208 is a `hidden beast` number, since 5 + 3 + 9 + 13 + 8 + 620 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11797116 + ... + 11797572.

It is an arithmetic number, because the mean of its divisors is an integer number (60391422).

Almost surely, 25391386208 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 5391386208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8696364768).

5391386208 is an abundant number, since it is smaller than the sum of its proper divisors (12001343328).

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

5391386208 is a wasteful number, since it uses less digits than its factorization.

5391386208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 5391386208 is about 73426.0594612022. The cubic root of 5391386208 is about 1753.4772990485.

The spelling of 5391386208 in words is "five billion, three hundred ninety-one million, three hundred eighty-six thousand, two hundred eight".