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63385 = 571811
BaseRepresentation
bin1111011110011001
310012221121
433132121
54012020
61205241
7352540
oct173631
9105847
1063385
1143693
1230821
1322b0a
1419157
1513baa
hexf799

63385 has 8 divisors (see below), whose sum is σ = 86976. Its totient is φ = 43440.

The previous prime is 63377. The next prime is 63389. The reversal of 63385 is 58336.

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

It is not a de Polignac number, because 63385 - 23 = 63377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (10872).

263385 is an apocalyptic number.

It is an amenable number.

63385 is a deficient number, since it is larger than the sum of its proper divisors (23591).

63385 is a wasteful number, since it uses less digits than its factorization.

63385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its digits is 2160, while the sum is 25.

The square root of 63385 is about 251.7637781731. The cubic root of 63385 is about 39.8714623945.

The spelling of 63385 in words is "sixty-three thousand, three hundred eighty-five".

Divisors: 1 5 7 35 1811 9055 12677 63385