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63324381 = 378726821
BaseRepresentation
bin1111000110010…
…0000011011101
311102011012201110
43301210003131
5112202340011
610141132233
71366151121
oct361440335
9142135643
1063324381
11328215aa
121925a079
1310172163
1485a5581
15585cba6
hex3c640dd

63324381 has 8 divisors (see below), whose sum is σ = 84542944. Its totient is φ = 42161040.

The previous prime is 63324367. The next prime is 63324383. The reversal of 63324381 is 18342336.

63324381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 63324381 - 27 = 63324253 is a prime.

It is a super-2 number, since 2×633243812 = 8019954458066322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63324383) 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, 11050 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (10567868).

Almost surely, 263324381 is an apocalyptic number.

It is an amenable number.

63324381 is a deficient number, since it is larger than the sum of its proper divisors (21218563).

63324381 is a wasteful number, since it uses less digits than its factorization.

63324381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27611.

The product of its digits is 10368, while the sum is 30.

The square root of 63324381 is about 7957.6617796938. The cubic root of 63324381 is about 398.5874782438.

The spelling of 63324381 in words is "sixty-three million, three hundred twenty-four thousand, three hundred eighty-one".

Divisors: 1 3 787 2361 26821 80463 21108127 63324381