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63484131 = 321161377
BaseRepresentation
bin1111001000101…
…1000011100011
311102110022212010
43302023003203
5112222443011
610144404003
71400414634
oct362130343
9142408763
1063484131
1132920627
1219316603
13101c9a99
14860788b
1558901a6
hex3c8b0e3

63484131 has 4 divisors (see below), whose sum is σ = 84645512. Its totient is φ = 42322752.

The previous prime is 63484129. The next prime is 63484139. The reversal of 63484131 is 13148436.

63484131 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 is not a de Polignac number, because 63484131 - 21 = 63484129 is a prime.

It is a super-2 number, since 2×634841312 = 8060469777650322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63484139) 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, 10580686 + ... + 10580691.

It is an arithmetic number, because the mean of its divisors is an integer number (21161378).

Almost surely, 263484131 is an apocalyptic number.

63484131 is a deficient number, since it is larger than the sum of its proper divisors (21161381).

63484131 is a wasteful number, since it uses less digits than its factorization.

63484131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161380.

The product of its digits is 6912, while the sum is 30.

The square root of 63484131 is about 7967.6929534213. The cubic root of 63484131 is about 398.9223723203.

The spelling of 63484131 in words is "sixty-three million, four hundred eighty-four thousand, one hundred thirty-one".

Divisors: 1 3 21161377 63484131