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4868815 = 57139109
BaseRepresentation
bin10010100100101011001111
3100011100202111
4102210223033
52221300230
6252204451
756245540
oct22445317
910140674
104868815
112826016
121769727
131016173
1490a4c7
1566292a
hex4a4acf

4868815 has 8 divisors (see below), whose sum is σ = 6677280. Its totient is φ = 3338592.

The previous prime is 4868813. The next prime is 4868819. The reversal of 4868815 is 5188684.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4868815 - 21 = 4868813 is a prime.

4868815 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4868813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69520 + ... + 69589.

It is an arithmetic number, because the mean of its divisors is an integer number (834660).

Almost surely, 24868815 is an apocalyptic number.

4868815 is a deficient number, since it is larger than the sum of its proper divisors (1808465).

4868815 is a wasteful number, since it uses less digits than its factorization.

4868815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139121.

The product of its digits is 61440, while the sum is 40.

The square root of 4868815 is about 2206.5391453586. The cubic root of 4868815 is about 169.4888336231.

The spelling of 4868815 in words is "four million, eight hundred sixty-eight thousand, eight hundred fifteen".

Divisors: 1 5 7 35 139109 695545 973763 4868815