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557532973 = 2572169389
BaseRepresentation
bin100001001110110…
…100011100101101
31102212002121110101
4201032310130231
52120212023343
6131153511101
716546644364
oct4116643455
91385077411
10557532973
11266792858
12136872491
138b67a18a
14540907db
1533e2ee4d
hex213b472d

557532973 has 4 divisors (see below), whose sum is σ = 559702620. Its totient is φ = 555363328.

The previous prime is 557532961. The next prime is 557532977. The reversal of 557532973 is 379235755.

557532973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 485673444 + 71859529 = 22038^2 + 8477^2 .

It is a cyclic number.

It is not a de Polignac number, because 557532973 - 29 = 557532461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557532977) 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, 1084438 + ... + 1084951.

It is an arithmetic number, because the mean of its divisors is an integer number (139925655).

Almost surely, 2557532973 is an apocalyptic number.

It is an amenable number.

557532973 is a deficient number, since it is larger than the sum of its proper divisors (2169647).

557532973 is a wasteful number, since it uses less digits than its factorization.

557532973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169646.

The product of its digits is 992250, while the sum is 46.

The square root of 557532973 is about 23612.1361380117. The cubic root of 557532973 is about 823.0448826819.

The spelling of 557532973 in words is "five hundred fifty-seven million, five hundred thirty-two thousand, nine hundred seventy-three".

Divisors: 1 257 2169389 557532973