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63442463 = 719477011
BaseRepresentation
bin1111001000000…
…0111000011111
311102101012200212
43302000320133
5112220124323
610143443035
71400152310
oct362007037
9142335625
1063442463
11328a2297
12192b647b
13101b3b26
1485d6607
155882b78
hex3c80e1f

63442463 has 8 divisors (see below), whose sum is σ = 76321920. Its totient is φ = 51517080.

The previous prime is 63442447. The next prime is 63442481. The reversal of 63442463 is 36424436.

63442463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63442463 - 24 = 63442447 is a prime.

It is a super-2 number, since 2×634424632 = 8049892223012738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63442063) 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 7 ways as a sum of consecutive naturals, for example, 238373 + ... + 238638.

It is an arithmetic number, because the mean of its divisors is an integer number (9540240).

Almost surely, 263442463 is an apocalyptic number.

63442463 is a deficient number, since it is larger than the sum of its proper divisors (12879457).

63442463 is a wasteful number, since it uses less digits than its factorization.

63442463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477037.

The product of its digits is 41472, while the sum is 32.

The square root of 63442463 is about 7965.0777146240. The cubic root of 63442463 is about 398.8350752526.

Adding to 63442463 its reverse (36424436), we get a palindrome (99866899).

The spelling of 63442463 in words is "sixty-three million, four hundred forty-two thousand, four hundred sixty-three".

Divisors: 1 7 19 133 477011 3339077 9063209 63442463