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4544425 = 52181777
BaseRepresentation
bin10001010101011110101001
322112212210001
4101111132221
52130410200
6241223001
753425024
oct21253651
98485701
104544425
112624326
121631a61
13c31612
148641bb
155eb76a
hex4557a9

4544425 has 6 divisors (see below), whose sum is σ = 5635118. Its totient is φ = 3635520.

The previous prime is 4544417. The next prime is 4544431. The reversal of 4544425 is 5244454.

It can be written as a sum of positive squares in 3 ways, for example, as 104976 + 4439449 = 324^2 + 2107^2 .

It is not a de Polignac number, because 4544425 - 23 = 4544417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4544393 and 4544402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90864 + ... + 90913.

Almost surely, 24544425 is an apocalyptic number.

It is an amenable number.

4544425 is a deficient number, since it is larger than the sum of its proper divisors (1090693).

4544425 is a wasteful number, since it uses less digits than its factorization.

4544425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181787 (or 181782 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 4544425 is about 2131.7657000712. The cubic root of 4544425 is about 165.6378736878.

Adding to 4544425 its reverse (5244454), we get a palindrome (9788879).

The spelling of 4544425 in words is "four million, five hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 181777 908885 4544425