Base | Representation |
---|---|
bin | 10001000001111… |
… | …00100011110001 |
3 | 100221210202101011 |
4 | 20200330203301 |
5 | 243032320020 |
6 | 22101510521 |
7 | 3353146042 |
oct | 1040744361 |
9 | 327722334 |
10 | 142854385 |
11 | 73701683 |
12 | 3ba12441 |
13 | 2379962b |
14 | 14d888c9 |
15 | c81c35a |
hex | 883c8f1 |
142854385 has 32 divisors (see below), whose sum is σ = 182679552. Its totient is φ = 107110080.
The previous prime is 142854367. The next prime is 142854401. The reversal of 142854385 is 583458241.
It is not a de Polignac number, because 142854385 - 211 = 142852337 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676930 + ... + 677140.
It is an arithmetic number, because the mean of its divisors is an integer number (5708736).
Almost surely, 2142854385 is an apocalyptic number.
It is an amenable number.
142854385 is a deficient number, since it is larger than the sum of its proper divisors (39825167).
142854385 is a wasteful number, since it uses less digits than its factorization.
142854385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373.
The product of its digits is 153600, while the sum is 40.
The square root of 142854385 is about 11952.1707233456. The cubic root of 142854385 is about 522.7545946056.
The spelling of 142854385 in words is "one hundred forty-two million, eight hundred fifty-four thousand, three hundred eighty-five".
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