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523343044 = 22718690823
BaseRepresentation
bin11111001100011…
…001010011000100
31100110202120200201
4133030121103010
52032433434134
6123533020244
715653225320
oct3714312304
91313676621
10523343044
11249460414
12127324684
1384569053
144d710980
1530e29914
hex1f3194c4

523343044 has 12 divisors (see below), whose sum is σ = 1046686144. Its totient is φ = 224289864.

The previous prime is 523343027. The next prime is 523343047. The reversal of 523343044 is 440343325.

523343044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 18690823 = 523343044 / (5 + 2 + 3 + 3 + 4 + 3 + 0 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (523343047) 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, 9345384 + ... + 9345439.

Almost surely, 2523343044 is an apocalyptic number.

It is an amenable number.

523343044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523343044 is a wasteful number, since it uses less digits than its factorization.

523343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18690834 (or 18690832 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 523343044 is about 22876.6921559914. The cubic root of 523343044 is about 805.8647364381.

Adding to 523343044 its reverse (440343325), we get a palindrome (963686369).

The spelling of 523343044 in words is "five hundred twenty-three million, three hundred forty-three thousand, forty-four".

Divisors: 1 2 4 7 14 28 18690823 37381646 74763292 130835761 261671522 523343044