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67243 = 116113
BaseRepresentation
bin10000011010101011
310102020111
4100122223
54122433
61235151
7400021
oct203253
9112214
1067243
1146580
1232ab7
13247b7
141a711
1514dcd
hex106ab

67243 has 4 divisors (see below), whose sum is σ = 73368. Its totient is φ = 61120.

The previous prime is 67231. The next prime is 67247. The reversal of 67243 is 34276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67243 - 25 = 67211 is a prime.

It is a Duffinian number.

67243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (67247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3046 + ... + 3067.

It is an arithmetic number, because the mean of its divisors is an integer number (18342).

267243 is an apocalyptic number.

67243 is a deficient number, since it is larger than the sum of its proper divisors (6125).

67243 is a wasteful number, since it uses less digits than its factorization.

67243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124.

The product of its digits is 1008, while the sum is 22.

The square root of 67243 is about 259.3125527235. The cubic root of 67243 is about 40.6645240592.

The spelling of 67243 in words is "sixty-seven thousand, two hundred forty-three".

Divisors: 1 11 6113 67243