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544623241 = 2811938161
BaseRepresentation
bin100000011101100…
…100101010001001
31101221210201122011
4200131210222021
52103410420431
6130013055521
716332135601
oct4035445211
91357721564
10544623241
1125a475558
121324875a1
1388aaa096
145248dc01
1532c2ecb1
hex20764a89

544623241 has 4 divisors (see below), whose sum is σ = 546561684. Its totient is φ = 542684800.

The previous prime is 544623227. The next prime is 544623269. The reversal of 544623241 is 142326445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281534841 + 263088400 = 16779^2 + 16220^2 .

It is a cyclic number.

It is not a de Polignac number, because 544623241 - 211 = 544621193 is a prime.

It is a super-2 number, since 2×5446232412 = 593228949274688162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544623941) 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, 968800 + ... + 969361.

It is an arithmetic number, because the mean of its divisors is an integer number (136640421).

Almost surely, 2544623241 is an apocalyptic number.

It is an amenable number.

544623241 is a deficient number, since it is larger than the sum of its proper divisors (1938443).

544623241 is a wasteful number, since it uses less digits than its factorization.

544623241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938442.

The product of its digits is 23040, while the sum is 31.

The square root of 544623241 is about 23337.1643735909. The cubic root of 544623241 is about 816.6426483195.

Adding to 544623241 its reverse (142326445), we get a palindrome (686949686).

The spelling of 544623241 in words is "five hundred forty-four million, six hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 281 1938161 544623241