Search a number
-
+
242167 = 2310529
BaseRepresentation
bin111011000111110111
3110022012011
4323013313
530222132
65105051
72026012
oct730767
9408164
10242167
11155a42
12b8187
13862c3
1464379
154bb47
hex3b1f7

242167 has 4 divisors (see below), whose sum is σ = 252720. Its totient is φ = 231616.

The previous prime is 242161. The next prime is 242171. The reversal of 242167 is 761242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761242 = 2380621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242167 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242161) 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 3 ways as a sum of consecutive naturals, for example, 5242 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2242167 is an apocalyptic number.

242167 is a deficient number, since it is larger than the sum of its proper divisors (10553).

242167 is a wasteful number, since it uses less digits than its factorization.

242167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10552.

The product of its digits is 672, while the sum is 22.

The square root of 242167 is about 492.1046636641. The cubic root of 242167 is about 62.3311281276.

The spelling of 242167 in words is "two hundred forty-two thousand, one hundred sixty-seven".

Divisors: 1 23 10529 242167