Base | Representation |
---|---|
bin | 10000111100100… |
… | …00000111101011 |
3 | 100220110212111112 |
4 | 20132100013223 |
5 | 242342214300 |
6 | 22034420535 |
7 | 3344144606 |
oct | 1036200753 |
9 | 326425445 |
10 | 142148075 |
11 | 73269a53 |
12 | 3b73174b |
13 | 235accb4 |
14 | 14c4333d |
15 | c72ce35 |
hex | 87901eb |
142148075 has 12 divisors (see below), whose sum is σ = 176413560. Its totient is φ = 113621760.
The previous prime is 142148059. The next prime is 142148087. The reversal of 142148075 is 570841241.
It is a happy number.
It is not a de Polignac number, because 142148075 - 24 = 142148059 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49016 + ... + 51834.
It is an arithmetic number, because the mean of its divisors is an integer number (14701130).
Almost surely, 2142148075 is an apocalyptic number.
142148075 is a deficient number, since it is larger than the sum of its proper divisors (34265485).
142148075 is a wasteful number, since it uses less digits than its factorization.
142148075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4846 (or 4841 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 142148075 is about 11922.5867579146. The cubic root of 142148075 is about 521.8916249619.
The spelling of 142148075 in words is "one hundred forty-two million, one hundred forty-eight thousand, seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •