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4868641 = 16013041
BaseRepresentation
bin10010100100101000100001
3100011100112001
4102210220201
52221244031
6252204001
756245201
oct22445041
910140461
104868641
112825978
121769601
13101606b
1490a401
15662861
hex4a4a21

4868641 has 4 divisors (see below), whose sum is σ = 4873284. Its totient is φ = 4864000.

The previous prime is 4868623. The next prime is 4868651. The reversal of 4868641 is 1468684.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4822416 + 46225 = 2196^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 4868641 - 25 = 4868609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4868641.

It is not an unprimeable number, because it can be changed into a prime (4868651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (1218321).

Almost surely, 24868641 is an apocalyptic number.

It is an amenable number.

4868641 is a deficient number, since it is larger than the sum of its proper divisors (4643).

4868641 is a wasteful number, since it uses less digits than its factorization.

4868641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642.

The product of its digits is 36864, while the sum is 37.

The square root of 4868641 is about 2206.4997167460. The cubic root of 4868641 is about 169.4868145549.

The spelling of 4868641 in words is "four million, eight hundred sixty-eight thousand, six hundred forty-one".

Divisors: 1 1601 3041 4868641