Base | Representation |
---|---|
bin | 10000111101001… |
… | …00001101000110 |
3 | 100220122001100110 |
4 | 20132210031012 |
5 | 242402332332 |
6 | 22040253450 |
7 | 3344636502 |
oct | 1036441506 |
9 | 326561313 |
10 | 142230342 |
11 | 73315841 |
12 | 3b771286 |
13 | 2360b587 |
14 | 14c65302 |
15 | c7474cc |
hex | 87a4346 |
142230342 has 8 divisors (see below), whose sum is σ = 284460696. Its totient is φ = 47410112.
The previous prime is 142230329. The next prime is 142230349. The reversal of 142230342 is 243032241.
It is a sphenic number, since it is the product of 3 distinct primes.
142230342 is an admirable number.
It is a super-3 number, since 3×1422303423 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142230349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11852523 + ... + 11852534.
It is an arithmetic number, because the mean of its divisors is an integer number (35557587).
Almost surely, 2142230342 is an apocalyptic number.
142230342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142230342 is a wasteful number, since it uses less digits than its factorization.
142230342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23705062.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 142230342 is about 11926.0363071726. The cubic root of 142230342 is about 521.9922856716.
Adding to 142230342 its reverse (243032241), we get a palindrome (385262583).
The spelling of 142230342 in words is "one hundred forty-two million, two hundred thirty thousand, three hundred forty-two".
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