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63104221 = 174778979
BaseRepresentation
bin1111000010111…
…0010011011101
311101202000201101
43300232103131
5112123313341
610132313101
71364243215
oct360562335
9141660641
1063104221
1132691154
1219172791
13100c5b9b
148549245
155817831
hex3c2e4dd

63104221 has 8 divisors (see below), whose sum is σ = 68238720. Its totient is φ = 58127808.

The previous prime is 63104219. The next prime is 63104227. The reversal of 63104221 is 12240136.

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 63104221 - 21 = 63104219 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 (63104227) 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, 38691 + ... + 40288.

It is an arithmetic number, because the mean of its divisors is an integer number (8529840).

Almost surely, 263104221 is an apocalyptic number.

It is an amenable number.

63104221 is a deficient number, since it is larger than the sum of its proper divisors (5134499).

63104221 is a wasteful number, since it uses less digits than its factorization.

63104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79043.

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

The square root of 63104221 is about 7943.8165260786. The cubic root of 63104221 is about 398.1250185943.

Adding to 63104221 its reverse (12240136), we get a palindrome (75344357).

The spelling of 63104221 in words is "sixty-three million, one hundred four thousand, two hundred twenty-one".

Divisors: 1 17 47 799 78979 1342643 3712013 63104221