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63041221 = 195362603
BaseRepresentation
bin1111000001111…
…0111011000101
311101121211022001
43300132323011
5112114304341
610131105301
71363561435
oct360367305
9141554261
1063041221
1132648891
1219142231
13100a32c9
1485302c5
155803d31
hex3c1eec5

63041221 has 8 divisors (see below), whose sum is σ = 67612320. Its totient is φ = 58595472.

The previous prime is 63041213. The next prime is 63041227. The reversal of 63041221 is 12214036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63041221 - 23 = 63041213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63041227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30295 + ... + 32308.

It is an arithmetic number, because the mean of its divisors is an integer number (8451540).

Almost surely, 263041221 is an apocalyptic number.

It is an amenable number.

63041221 is a deficient number, since it is larger than the sum of its proper divisors (4571099).

63041221 is a wasteful number, since it uses less digits than its factorization.

63041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62675.

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

The square root of 63041221 is about 7939.8501875035. The cubic root of 63041221 is about 397.9924853172.

Adding to 63041221 its reverse (12214036), we get a palindrome (75255257).

The spelling of 63041221 in words is "sixty-three million, forty-one thousand, two hundred twenty-one".

Divisors: 1 19 53 1007 62603 1189457 3317959 63041221