Base | Representation |
---|---|
bin | 10000111110001… |
… | …10011110010101 |
3 | 100220220011220020 |
4 | 20133012132111 |
5 | 242421330314 |
6 | 22043255353 |
7 | 3346062645 |
oct | 1037063625 |
9 | 326804806 |
10 | 142370709 |
11 | 73401248 |
12 | 3b81a559 |
13 | 2365a430 |
14 | 14ca0525 |
15 | c773da9 |
hex | 87c6795 |
142370709 has 16 divisors (see below), whose sum is σ = 209956992. Its totient is φ = 85243968.
The previous prime is 142370687. The next prime is 142370729. The reversal of 142370709 is 907073241.
It is not a de Polignac number, because 142370709 - 28 = 142370453 is a prime.
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 142370709.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142370729) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47889 + ... + 50774.
It is an arithmetic number, because the mean of its divisors is an integer number (13122312).
Almost surely, 2142370709 is an apocalyptic number.
It is an amenable number.
142370709 is a deficient number, since it is larger than the sum of its proper divisors (67586283).
142370709 is a wasteful number, since it uses less digits than its factorization.
142370709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98716.
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 142370709 is about 11931.9197533339. The cubic root of 142370709 is about 522.1639471230.
The spelling of 142370709 in words is "one hundred forty-two million, three hundred seventy thousand, seven hundred nine".
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