Search a number
-
+
63221041 = 132374089
BaseRepresentation
bin1111000100101…
…0110100110001
311101221221222001
43301022310301
5112141033131
610135014001
71365240622
oct361126461
9141857861
1063221041
11327609a4
121920a301
1310137100
148579a49
15583c261
hex3c4ad31

63221041 has 6 divisors (see below), whose sum is σ = 68458470. Its totient is φ = 58357728.

The previous prime is 63221033. The next prime is 63221047. The reversal of 63221041 is 14012236.

63221041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 874225 + 62346816 = 935^2 + 7896^2 .

It is not a de Polignac number, because 63221041 - 23 = 63221033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63221047) 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 5 ways as a sum of consecutive naturals, for example, 186876 + ... + 187213.

It is an arithmetic number, because the mean of its divisors is an integer number (11409745).

Almost surely, 263221041 is an apocalyptic number.

It is an amenable number.

63221041 is a deficient number, since it is larger than the sum of its proper divisors (5237429).

63221041 is a wasteful number, since it uses less digits than its factorization.

63221041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374115 (or 374102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 63221041 is about 7951.1660151200. The cubic root of 63221041 is about 398.3705399130.

Adding to 63221041 its reverse (14012236), we get a palindrome (77233277).

The spelling of 63221041 in words is "sixty-three million, two hundred twenty-one thousand, forty-one".

Divisors: 1 13 169 374089 4863157 63221041