Base | Representation |
---|---|
bin | 10000111100010… |
… | …01110011111000 |
3 | 100220102120001101 |
4 | 20132021303320 |
5 | 242340402412 |
6 | 22034101144 |
7 | 3344006350 |
oct | 1036116370 |
9 | 326376041 |
10 | 142122232 |
11 | 7325159a |
12 | 3b71a7b4 |
13 | 235a12c5 |
14 | 14c37b60 |
15 | c725457 |
hex | 8789cf8 |
142122232 has 16 divisors (see below), whose sum is σ = 304547760. Its totient is φ = 60909504.
The previous prime is 142122187. The next prime is 142122269. The reversal of 142122232 is 232221241.
142122232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268893 + ... + 1269004.
It is an arithmetic number, because the mean of its divisors is an integer number (19034235).
Almost surely, 2142122232 is an apocalyptic number.
It is an amenable number.
142122232 is an abundant number, since it is smaller than the sum of its proper divisors (162425528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142122232 is a wasteful number, since it uses less digits than its factorization.
142122232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2537910 (or 2537906 counting only the distinct ones).
The product of its digits is 384, while the sum is 19.
The square root of 142122232 is about 11921.5029253865. The cubic root of 142122232 is about 521.8599958252.
Adding to 142122232 its reverse (232221241), we get a palindrome (374343473).
Subtracting 142122232 from its reverse (232221241), we obtain a palindrome (90099009).
It can be divided in two parts, 1421 and 22232, that added together give a triangular number (23653 = T217).
The spelling of 142122232 in words is "one hundred forty-two million, one hundred twenty-two thousand, two hundred thirty-two".
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