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532345889 = 2691978981
BaseRepresentation
bin11111101110101…
…111010000100001
31101002200222021102
4133232233100201
52042240032024
6124454004145
716122602555
oct3756572041
91332628242
10532345889
1125354a389
1212a346655
138639ba8a
14509b5865
1531b071ae
hex1fbaf421

532345889 has 4 divisors (see below), whose sum is σ = 534325140. Its totient is φ = 530366640.

The previous prime is 532345883. The next prime is 532345901. The reversal of 532345889 is 988543235.

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 255456289 + 276889600 = 15983^2 + 16640^2 .

It is a cyclic number.

It is not a de Polignac number, because 532345889 - 228 = 263910433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532345883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989222 + ... + 989759.

It is an arithmetic number, because the mean of its divisors is an integer number (133581285).

Almost surely, 2532345889 is an apocalyptic number.

It is an amenable number.

532345889 is a deficient number, since it is larger than the sum of its proper divisors (1979251).

532345889 is a wasteful number, since it uses less digits than its factorization.

532345889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979250.

The product of its digits is 1036800, while the sum is 47.

The square root of 532345889 is about 23072.6220659898. The cubic root of 532345889 is about 810.4594705573.

The spelling of 532345889 in words is "five hundred thirty-two million, three hundred forty-five thousand, eight hundred eighty-nine".

Divisors: 1 269 1978981 532345889