Base | Representation |
---|---|
bin | 10000111101001… |
… | …11000110111000 |
3 | 100220122122122211 |
4 | 20132213012320 |
5 | 242403222412 |
6 | 22040424504 |
7 | 3345016246 |
oct | 1036470670 |
9 | 326578584 |
10 | 142242232 |
11 | 73323770 |
12 | 3b778134 |
13 | 23613b02 |
14 | 14c69796 |
15 | c74aca7 |
hex | 87a71b8 |
142242232 has 32 divisors (see below), whose sum is σ = 291700080. Its totient is φ = 64488960.
The previous prime is 142242211. The next prime is 142242259. The reversal of 142242232 is 232242241.
142242232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36238 + ... + 39970.
Almost surely, 2142242232 is an apocalyptic number.
It is an amenable number.
142242232 is an abundant number, since it is smaller than the sum of its proper divisors (149457848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142242232 is a wasteful number, since it uses less digits than its factorization.
142242232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4183 (or 4179 counting only the distinct ones).
The product of its digits is 1536, while the sum is 22.
The square root of 142242232 is about 11926.5347859301. The cubic root of 142242232 is about 522.0068308927.
Adding to 142242232 its reverse (232242241), we get a palindrome (374484473).
Subtracting 142242232 from its reverse (232242241), we obtain a palindrome (90000009).
The spelling of 142242232 in words is "one hundred forty-two million, two hundred forty-two thousand, two hundred thirty-two".
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