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4781864 = 234631291
BaseRepresentation
bin10010001111011100101000
322222221111002
4102033130220
52211004424
6250254132
755434203
oct22173450
98887432
104781864
11277675a
121727348
13cb5709
148c693a
15646cae
hex48f728

4781864 has 16 divisors (see below), whose sum is σ = 8992320. Its totient is φ = 2383920.

The previous prime is 4781837. The next prime is 4781867. The reversal of 4781864 is 4681874.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4781867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3059 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (562020).

Almost surely, 24781864 is an apocalyptic number.

It is an amenable number.

4781864 is a deficient number, since it is larger than the sum of its proper divisors (4210456).

4781864 is a wasteful number, since it uses less digits than its factorization.

4781864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1756 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 4781864 is about 2186.7473562348. The cubic root of 4781864 is about 168.4738136097.

The spelling of 4781864 in words is "four million, seven hundred eighty-one thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 463 926 1291 1852 2582 3704 5164 10328 597733 1195466 2390932 4781864