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63401212 = 2272264329
BaseRepresentation
bin1111000111011…
…0110011111100
311102022010010001
43301312303330
5112212314322
610142524044
71366621120
oct361666374
9142263101
1063401212
11328742a6
1219296624
131019b114
1485c5580
155875827
hex3c76cfc

63401212 has 12 divisors (see below), whose sum is σ = 126802480. Its totient is φ = 27171936.

The previous prime is 63401209. The next prime is 63401227. The reversal of 63401212 is 21210436.

63401212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 63401212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132137 + ... + 1132192.

Almost surely, 263401212 is an apocalyptic number.

It is an amenable number.

63401212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63401212 is a wasteful number, since it uses less digits than its factorization.

63401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264340 (or 2264338 counting only the distinct ones).

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

The square root of 63401212 is about 7962.4878021885. The cubic root of 63401212 is about 398.7486141663.

Adding to 63401212 its reverse (21210436), we get a palindrome (84611648).

The spelling of 63401212 in words is "sixty-three million, four hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 2264329 4528658 9057316 15850303 31700606 63401212