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544390841 = 2323669167
BaseRepresentation
bin100000011100101…
…011111010111001
31101221100220211202
4200130223322321
52103331001331
6130004103545
716330150211
oct4034537271
91357326752
10544390841
1125a326995
12132394bb5
1388a28377
145242d241
1532bd5ecb
hex2072beb9

544390841 has 4 divisors (see below), whose sum is σ = 568060032. Its totient is φ = 520721652.

The previous prime is 544390837. The next prime is 544390877. The reversal of 544390841 is 148093445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 544390841 - 22 = 544390837 is a prime.

It is a super-2 number, since 2×5443908412 = 592722775529374562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544390795 and 544390804.

It is not an unprimeable number, because it can be changed into a prime (544390241) 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, 11834561 + ... + 11834606.

It is an arithmetic number, because the mean of its divisors is an integer number (142015008).

Almost surely, 2544390841 is an apocalyptic number.

It is an amenable number.

544390841 is a deficient number, since it is larger than the sum of its proper divisors (23669191).

544390841 is a wasteful number, since it uses less digits than its factorization.

544390841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23669190.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 544390841 is about 23332.1846598213. The cubic root of 544390841 is about 816.5264733574.

The spelling of 544390841 in words is "five hundred forty-four million, three hundred ninety thousand, eight hundred forty-one".

Divisors: 1 23 23669167 544390841