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4789090656 = 25357212569
BaseRepresentation
bin1000111010111001…
…11011100101100000
3110100202112000100000
410131130323211200
534302001400111
62111114500000
7226451412300
oct43534734540
913322460300
104789090656
112038353769
12b17a34600
135b4254b6c
1433607d600
151d0694c56
hex11d73b960

4789090656 has 216 divisors, whose sum is σ = 16430548680. Its totient is φ = 1368202752.

The previous prime is 4789090633. The next prime is 4789090667. The reversal of 4789090656 is 6560909874.

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-2 number, since 2×47890906562 = 45870778622773020672, which contains 22 as substring.

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

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 374740 + ... + 387308.

It is an arithmetic number, because the mean of its divisors is an integer number (76067355).

Almost surely, 24789090656 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 4789090656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8215274340).

4789090656 is an abundant number, since it is smaller than the sum of its proper divisors (11641458024).

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

4789090656 is a wasteful number, since it uses less digits than its factorization.

4789090656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12581 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 4789090656 is about 69203.2561083653. The cubic root of 4789090656 is about 1685.5864032781.

The spelling of 4789090656 in words is "four billion, seven hundred eighty-nine million, ninety thousand, six hundred fifty-six".