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563405242 = 2281702621
BaseRepresentation
bin100001100101001…
…110000110111010
31110021010221200211
4201211032012322
52123212431432
6131523421334
716650602611
oct4145160672
91407127624
10563405242
1126a033774
1213882484a
138c954caa
1454b7c878
15346ded47
hex2194e1ba

563405242 has 4 divisors (see below), whose sum is σ = 845107866. Its totient is φ = 281702620.

The previous prime is 563405209. The next prime is 563405251. The reversal of 563405242 is 242504365.

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

It can be written as a sum of positive squares in only one way, i.e., 556440921 + 6964321 = 23589^2 + 2639^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140851309 + ... + 140851312.

Almost surely, 2563405242 is an apocalyptic number.

563405242 is a deficient number, since it is larger than the sum of its proper divisors (281702624).

563405242 is a wasteful number, since it uses less digits than its factorization.

563405242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281702623.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 563405242 is about 23736.1589563265. The cubic root of 563405242 is about 825.9243961077.

The spelling of 563405242 in words is "five hundred sixty-three million, four hundred five thousand, two hundred forty-two".

Divisors: 1 2 281702621 563405242