Base | Representation |
---|---|
bin | 10000111011111… |
… | …00001011111110 |
3 | 100220022201111122 |
4 | 20131330023332 |
5 | 242332111210 |
6 | 22032550542 |
7 | 3343354562 |
oct | 1035741376 |
9 | 326281448 |
10 | 142066430 |
11 | 73213680 |
12 | 3b6b2452 |
13 | 23581a9c |
14 | 14c216a2 |
15 | c713b55 |
hex | 877c2fe |
142066430 has 32 divisors (see below), whose sum is σ = 284912640. Its totient is φ = 50559520.
The previous prime is 142066427. The next prime is 142066471. The reversal of 142066430 is 34660241.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 142066430.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8570 + ... + 18909.
It is an arithmetic number, because the mean of its divisors is an integer number (8903520).
Almost surely, 2142066430 is an apocalyptic number.
142066430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142066430 is an abundant number, since it is smaller than the sum of its proper divisors (142846210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142066430 is a wasteful number, since it uses less digits than its factorization.
142066430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27544.
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 142066430 is about 11919.1623027795. The cubic root of 142066430 is about 521.7916869168.
The spelling of 142066430 in words is "one hundred forty-two million, sixty-six thousand, four hundred thirty".
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