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63348013 = 73867781
BaseRepresentation
bin1111000110100…
…1110100101101
311102012102010201
43301221310231
5112204114023
610141433501
71366310041
oct361516455
9142172121
1063348013
1132838333
121926b891
131017cb41
1485b0021
155864bad
hex3c69d2d

63348013 has 4 divisors (see below), whose sum is σ = 64215868. Its totient is φ = 62480160.

The previous prime is 63347989. The next prime is 63348017. The reversal of 63348013 is 31084336.

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 29452329 + 33895684 = 5427^2 + 5822^2 .

It is a cyclic number.

It is not a de Polignac number, because 63348013 - 225 = 29793581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63348017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433818 + ... + 433963.

It is an arithmetic number, because the mean of its divisors is an integer number (16053967).

Almost surely, 263348013 is an apocalyptic number.

It is an amenable number.

63348013 is a deficient number, since it is larger than the sum of its proper divisors (867855).

63348013 is an equidigital number, since it uses as much as digits as its factorization.

63348013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867854.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 63348013 is about 7959.1464994684. The cubic root of 63348013 is about 398.6370549768.

The spelling of 63348013 in words is "sixty-three million, three hundred forty-eight thousand, thirteen".

Divisors: 1 73 867781 63348013