Search a number
-
+
63278230 = 2516338821
BaseRepresentation
bin1111000101100…
…0110010010110
311102001212102011
43301120302112
5112144400410
610140134434
71365566431
oct361306226
9142055364
1063278230
113279a964
121923741a
1310157152
148592818
15584e18a
hex3c58c96

63278230 has 16 divisors (see below), whose sum is σ = 114602544. Its totient is φ = 25155360.

The previous prime is 63278213. The next prime is 63278239. The reversal of 63278230 is 3287236.

63278230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63278192 and 63278201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63278239) 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, 17781 + ... + 21040.

It is an arithmetic number, because the mean of its divisors is an integer number (7162659).

Almost surely, 263278230 is an apocalyptic number.

63278230 is a deficient number, since it is larger than the sum of its proper divisors (51324314).

63278230 is a wasteful number, since it uses less digits than its factorization.

63278230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38991.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 63278230 is about 7954.7614671969. The cubic root of 63278230 is about 398.4906241251.

The spelling of 63278230 in words is "sixty-three million, two hundred seventy-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 163 326 815 1630 38821 77642 194105 388210 6327823 12655646 31639115 63278230