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63628449 = 3145914537
BaseRepresentation
bin1111001010111…
…0010010100001
311102201122211020
43302232102201
5112242102244
610151440053
71401555453
oct362562241
9142648736
1063628449
1132a09aa5
1219386029
131024a691
1486442d3
1558bcd19
hex3cae4a1

63628449 has 8 divisors (see below), whose sum is σ = 84901920. Its totient is φ = 42386976.

The previous prime is 63628421. The next prime is 63628451. The reversal of 63628449 is 94482636.

It is a happy number.

63628449 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 not a de Polignac number, because 63628449 - 28 = 63628193 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 63628449.

It is not an unprimeable number, because it can be changed into a prime (63628469) 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, 2892 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (10612740).

Almost surely, 263628449 is an apocalyptic number.

It is an amenable number.

63628449 is a deficient number, since it is larger than the sum of its proper divisors (21273471).

63628449 is a wasteful number, since it uses less digits than its factorization.

63628449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15999.

The product of its digits is 248832, while the sum is 42.

The square root of 63628449 is about 7976.7442606617. The cubic root of 63628449 is about 399.2244326267.

The spelling of 63628449 in words is "sixty-three million, six hundred twenty-eight thousand, four hundred forty-nine".

Divisors: 1 3 1459 4377 14537 43611 21209483 63628449