Base | Representation |
---|---|
bin | 10000111100011… |
… | …10101111001110 |
3 | 100220110120201212 |
4 | 20132032233032 |
5 | 242342024124 |
6 | 22034334422 |
7 | 3344122241 |
oct | 1036165716 |
9 | 326416655 |
10 | 142142414 |
11 | 73265777 |
12 | 3b72a412 |
13 | 235aa54b |
14 | 14c41258 |
15 | c72b40e |
hex | 878ebce |
142142414 has 4 divisors (see below), whose sum is σ = 213213624. Its totient is φ = 71071206.
The previous prime is 142142381. The next prime is 142142479. The reversal of 142142414 is 414241241.
142142414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414241241 = 1279 ⋅323879.
It is a self number, because there is not a number n which added to its sum of digits gives 142142414.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35535602 + ... + 35535605.
It is an arithmetic number, because the mean of its divisors is an integer number (53303406).
Almost surely, 2142142414 is an apocalyptic number.
142142414 is a deficient number, since it is larger than the sum of its proper divisors (71071210).
142142414 is an equidigital number, since it uses as much as digits as its factorization.
142142414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71071209.
The product of its digits is 1024, while the sum is 23.
The square root of 142142414 is about 11922.3493490167. The cubic root of 142142414 is about 521.8846968163.
Adding to 142142414 its reverse (414241241), we get a palindrome (556383655).
The spelling of 142142414 in words is "one hundred forty-two million, one hundred forty-two thousand, four hundred fourteen".
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