Base | Representation |
---|---|
bin | 10000111100001… |
… | …11011010101110 |
3 | 100220102001121100 |
4 | 20132013122232 |
5 | 242340044210 |
6 | 22033543530 |
7 | 3343635645 |
oct | 1036073256 |
9 | 326361540 |
10 | 142112430 |
11 | 73245199 |
12 | 3b714ba6 |
13 | 235999c5 |
14 | 14c3435c |
15 | c7225c0 |
hex | 87876ae |
142112430 has 24 divisors (see below), whose sum is σ = 369492552. Its totient is φ = 37896624.
The previous prime is 142112417. The next prime is 142112447. The reversal of 142112430 is 34211241.
142112430 is a `hidden beast` number, since 1 + 421 + 1 + 243 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789424 + ... + 789603.
It is an arithmetic number, because the mean of its divisors is an integer number (15395523).
Almost surely, 2142112430 is an apocalyptic number.
142112430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142112430 is an abundant number, since it is smaller than the sum of its proper divisors (227380122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142112430 is a wasteful number, since it uses less digits than its factorization.
142112430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1579040 (or 1579037 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 142112430 is about 11921.0918124138. The cubic root of 142112430 is about 521.8479981966.
Adding to 142112430 its reverse (34211241), we get a palindrome (176323671).
It can be divided in two parts, 14211 and 2430, that added together give a square (16641 = 1292).
The spelling of 142112430 in words is "one hundred forty-two million, one hundred twelve thousand, four hundred thirty".
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