Search a number
-
+
4909655808 = 28332389347
BaseRepresentation
bin1001001001010001…
…10110011100000000
3110200011101100122000
410210220312130000
540023332441213
62131102544000
7232444246221
oct44450663400
913604340560
104909655808
11209a411092
12b50298000
136032190a5
143480a5248
151db05cc73
hex124a36700

4909655808 has 288 divisors, whose sum is σ = 15364339200. Its totient is φ = 1543348224.

The previous prime is 4909655797. The next prime is 4909655813. The reversal of 4909655808 is 8085569094.

It is a happy number.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14148691 + ... + 14149037.

It is an arithmetic number, because the mean of its divisors is an integer number (53348400).

Almost surely, 24909655808 is an apocalyptic number.

4909655808 is a gapful number since it is divisible by the number (48) 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 4909655808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7682169600).

4909655808 is an abundant number, since it is smaller than the sum of its proper divisors (10454683392).

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

4909655808 is a wasteful number, since it uses less digits than its factorization.

4909655808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 4909655808 is about 70068.9361129452. The cubic root of 4909655808 is about 1699.6141924954.

The spelling of 4909655808 in words is "four billion, nine hundred nine million, six hundred fifty-five thousand, eight hundred eight".