Search a number
-
+
67231 is a prime number
BaseRepresentation
bin10000011010011111
310102020001
4100122133
54122411
61235131
7400003
oct203237
9112201
1067231
114656a
1232aa7
13247a8
141a703
1514dc1
hex1069f

67231 has 2 divisors, whose sum is σ = 67232. Its totient is φ = 67230.

The previous prime is 67219. The next prime is 67247. The reversal of 67231 is 13276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67231 - 27 = 67103 is a prime.

It is a super-2 number, since 2×672312 = 9040014722, which contains 22 as substring.

67231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 67199 and 67208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33615 + 33616.

It is an arithmetic number, because the mean of its divisors is an integer number (33616).

267231 is an apocalyptic number.

67231 is a deficient number, since it is larger than the sum of its proper divisors (1).

67231 is an equidigital number, since it uses as much as digits as its factorization.

67231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 19.

The square root of 67231 is about 259.2894135903. The cubic root of 67231 is about 40.6621049558.

It can be divided in two parts, 6723 and 1, that added together give a square (6724 = 822).

The spelling of 67231 in words is "sixty-seven thousand, two hundred thirty-one".