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4908528864 = 25321729181191
BaseRepresentation
bin1001001001001001…
…00011010011100000
3110200002021002202100
410210210203103200
540023040410424
62131022450400
7232431543531
oct44444432340
913602232670
104908528864
112099811428
12b4ba33a00
13602c13165
14347c90688
151dadd8dc9
hex1249234e0

4908528864 has 288 divisors, whose sum is σ = 15454333440. Its totient is φ = 1470873600.

The previous prime is 4908528857. The next prime is 4908528869. The reversal of 4908528864 is 4688258094.

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

It is a super-2 number, since 2×49085288642 = 48187311217442260992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4908528864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4908528869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25699009 + ... + 25699199.

It is an arithmetic number, because the mean of its divisors is an integer number (53660880).

Almost surely, 24908528864 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 4908528864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7727166720).

4908528864 is an abundant number, since it is smaller than the sum of its proper divisors (10545804576).

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

4908528864 is a wasteful number, since it uses less digits than its factorization.

4908528864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 4908528864 is about 70060.8939708879. The cubic root of 4908528864 is about 1699.4841415198.

The spelling of 4908528864 in words is "four billion, nine hundred eight million, five hundred twenty-eight thousand, eight hundred sixty-four".