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4885621 = 13228909
BaseRepresentation
bin10010101000110001110101
3100012012210221
4102220301311
52222314441
6252414341
756345536
oct22506165
910165727
104885621
112837704
1217773b1
131020a00
1491268d
156678d1
hex4a8c75

4885621 has 6 divisors (see below), whose sum is σ = 5290530. Its totient is φ = 4509648.

The previous prime is 4885619. The next prime is 4885627. The reversal of 4885621 is 1265884.

4885621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 662596 + 4223025 = 814^2 + 2055^2 .

It is not a de Polignac number, because 4885621 - 21 = 4885619 is a prime.

It is a Duffinian number.

4885621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4885627) 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 5 ways as a sum of consecutive naturals, for example, 14286 + ... + 14623.

It is an arithmetic number, because the mean of its divisors is an integer number (881755).

Almost surely, 24885621 is an apocalyptic number.

It is an amenable number.

4885621 is a deficient number, since it is larger than the sum of its proper divisors (404909).

4885621 is a wasteful number, since it uses less digits than its factorization.

4885621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28935 (or 28922 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 4885621 is about 2210.3440908601. The cubic root of 4885621 is about 169.6836214883.

The spelling of 4885621 in words is "four million, eight hundred eighty-five thousand, six hundred twenty-one".

Divisors: 1 13 169 28909 375817 4885621