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5621825 = 521120443
BaseRepresentation
bin10101011100100001000001
3101120121200202
4111130201001
52414344300
6320254545
765533106
oct25344101
911517622
105621825
11319a840
121a71455
13121ab31
14a64aad
15760ad5
hex55c841

5621825 has 12 divisors (see below), whose sum is σ = 7605168. Its totient is φ = 4088400.

The previous prime is 5621813. The next prime is 5621827. The reversal of 5621825 is 5281265.

5621825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5621825 - 24 = 5621809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5621827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9947 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (633764).

Almost surely, 25621825 is an apocalyptic number.

5621825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5621825 is a deficient number, since it is larger than the sum of its proper divisors (1983343).

5621825 is a wasteful number, since it uses less digits than its factorization.

5621825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20464 (or 20459 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 5621825 is about 2371.0388018757. The cubic root of 5621825 is about 177.8111977825.

It can be divided in two parts, 5621 and 825, that added together give a palindrome (6446).

The spelling of 5621825 in words is "five million, six hundred twenty-one thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 275 20443 102215 224873 511075 1124365 5621825