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63880193 = 134913861
BaseRepresentation
bin1111001110101…
…1110000000001
311110012110011002
43303223300001
5112323131233
610201101345
71403654426
oct363536001
9143173132
1063880193
1133071153
1219487855
1310308140
1486abd4d
15591c6e8
hex3cebc01

63880193 has 4 divisors (see below), whose sum is σ = 68794068. Its totient is φ = 58966320.

The previous prime is 63880151. The next prime is 63880199. The reversal of 63880193 is 39108836.

63880193 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 21003889 + 42876304 = 4583^2 + 6548^2 .

It is a cyclic number.

It is not a de Polignac number, because 63880193 - 26 = 63880129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63880199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456918 + ... + 2456943.

It is an arithmetic number, because the mean of its divisors is an integer number (17198517).

Almost surely, 263880193 is an apocalyptic number.

It is an amenable number.

63880193 is a deficient number, since it is larger than the sum of its proper divisors (4913875).

63880193 is a wasteful number, since it uses less digits than its factorization.

63880193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913874.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 63880193 is about 7992.5085548906. The cubic root of 63880193 is about 399.7502461734.

The spelling of 63880193 in words is "sixty-three million, eight hundred eighty thousand, one hundred ninety-three".

Divisors: 1 13 4913861 63880193