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63803012 = 22713237621
BaseRepresentation
bin1111001101100…
…0111010000100
311110001112021112
43303120322010
5112313144022
610155304152
71403213420
oct363307204
9143045245
1063803012
1133019169
121944b058
13102abc80
14868bb80
1559048e2
hex3cd8e84

63803012 has 48 divisors (see below), whose sum is σ = 143415552. Its totient is φ = 24140160.

The previous prime is 63803009. The next prime is 63803021. The reversal of 63803012 is 21030836.

63803012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4562 + ... + 12182.

It is an arithmetic number, because the mean of its divisors is an integer number (2987824).

Almost surely, 263803012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63803012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71707776).

63803012 is an abundant number, since it is smaller than the sum of its proper divisors (79612540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63803012 is a wasteful number, since it uses less digits than its factorization.

63803012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 7666 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 63803012 is about 7987.6787616929. The cubic root of 63803012 is about 399.5891865586.

Adding to 63803012 its reverse (21030836), we get a palindrome (84833848).

The spelling of 63803012 in words is "sixty-three million, eight hundred three thousand, twelve".

Divisors: 1 2 4 7 13 14 23 26 28 46 52 91 92 161 182 299 322 364 598 644 1196 2093 4186 7621 8372 15242 30484 53347 99073 106694 175283 198146 213388 350566 396292 693511 701132 1226981 1387022 2278679 2453962 2774044 4557358 4907924 9114716 15950753 31901506 63803012