Base | Representation |
---|---|
bin | 100010110110111011000 |
3 | 2011000211220 |
4 | 10112313120 |
5 | 243022412 |
6 | 40252040 |
7 | 12465060 |
oct | 4266730 |
9 | 2130756 |
10 | 1142232 |
11 | 7101a3 |
12 | 471020 |
13 | 30cba0 |
14 | 21a3a0 |
15 | 17868c |
hex | 116dd8 |
1142232 has 64 divisors (see below), whose sum is σ = 3521280. Its totient is φ = 300672.
The previous prime is 1142201. The next prime is 1142233. The reversal of 1142232 is 2322411.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142233) 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 15 ways as a sum of consecutive naturals, for example, 1923 + ... + 2445.
It is an arithmetic number, because the mean of its divisors is an integer number (55020).
21142232 is an apocalyptic number.
1142232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1142232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760640).
1142232 is an abundant number, since it is smaller than the sum of its proper divisors (2379048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142232 is a wasteful number, since it uses less digits than its factorization.
1142232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552 (or 548 counting only the distinct ones).
The product of its digits is 96, while the sum is 15.
The square root of 1142232 is about 1068.7525438566. The cubic root of 1142232 is about 104.5325249978.
Adding to 1142232 its reverse (2322411), we get a palindrome (3464643).
It can be divided in two parts, 114 and 2232, that added together give a triangular number (2346 = T68).
The spelling of 1142232 in words is "one million, one hundred forty-two thousand, two hundred thirty-two".
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