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242231 = 1119261
BaseRepresentation
bin111011001000110111
3110022021112
4323020313
530222411
65105235
72026133
oct731067
9408245
10242231
11155aa0
12b821b
1386342
14643c3
154bb8b
hex3b237

242231 has 12 divisors (see below), whose sum is σ = 283464. Its totient is φ = 205200.

The previous prime is 242227. The next prime is 242243. The reversal of 242231 is 132242.

It is not a de Polignac number, because 242231 - 22 = 242227 is a prime.

It is a super-2 number, since 2×2422312 = 117351714722, 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 (242201) 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 11 ways as a sum of consecutive naturals, for example, 3941 + ... + 4001.

It is an arithmetic number, because the mean of its divisors is an integer number (23622).

2242231 is an apocalyptic number.

242231 is a deficient number, since it is larger than the sum of its proper divisors (41233).

242231 is a wasteful number, since it uses less digits than its factorization.

242231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 91 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 242231 is about 492.1696861856. The cubic root of 242231 is about 62.3366186098.

Adding to 242231 its reverse (132242), we get a palindrome (374473).

The spelling of 242231 in words is "two hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 11 19 61 209 361 671 1159 3971 12749 22021 242231