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63381 = 337571
BaseRepresentation
bin1111011110010101
310012221110
433132111
54012011
61205233
7352533
oct173625
9105843
1063381
114368a
1230819
1322b06
1419153
1513ba6
hexf795

63381 has 8 divisors (see below), whose sum is σ = 86944. Its totient is φ = 41040.

The previous prime is 63377. The next prime is 63389. The reversal of 63381 is 18336.

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

It is not a de Polignac number, because 63381 - 22 = 63377 is a prime.

It is a super-2 number, since 2×633812 = 8034302322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 175 + ... + 396.

It is an arithmetic number, because the mean of its divisors is an integer number (10868).

263381 is an apocalyptic number.

It is an amenable number.

63381 is a deficient number, since it is larger than the sum of its proper divisors (23563).

63381 is a wasteful number, since it uses less digits than its factorization.

63381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its digits is 432, while the sum is 21.

The square root of 63381 is about 251.7558340933. The cubic root of 63381 is about 39.8706236619.

It can be divided in two parts, 63 and 381, that added together give a palindrome (444).

The spelling of 63381 in words is "sixty-three thousand, three hundred eighty-one".

Divisors: 1 3 37 111 571 1713 21127 63381