Base | Representation |
---|---|
bin | 10001000001111… |
… | …00001011111001 |
3 | 100221210200021120 |
4 | 20200330023321 |
5 | 243032242412 |
6 | 22101455453 |
7 | 3353141430 |
oct | 1040741371 |
9 | 327720246 |
10 | 142852857 |
11 | 73700514 |
12 | 3ba11589 |
13 | 23798a24 |
14 | 14d88117 |
15 | c81bb8c |
hex | 883c2f9 |
142852857 has 16 divisors (see below), whose sum is σ = 217848192. Its totient is φ = 81567360.
The previous prime is 142852841. The next prime is 142852873. The reversal of 142852857 is 758258241.
It is an interprime number because it is at equal distance from previous prime (142852841) and next prime (142852873).
It is not a de Polignac number, because 142852857 - 24 = 142852841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142852807) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 48573 + ... + 51429.
It is an arithmetic number, because the mean of its divisors is an integer number (13615512).
Almost surely, 2142852857 is an apocalyptic number.
It is an amenable number.
142852857 is a deficient number, since it is larger than the sum of its proper divisors (74995335).
142852857 is a wasteful number, since it uses less digits than its factorization.
142852857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5248.
The product of its digits is 179200, while the sum is 42.
The square root of 142852857 is about 11952.1068017317. The cubic root of 142852857 is about 522.7527307686.
It can be divided in two parts, 1428 and 52857, that added together give a triangular number (54285 = T329).
The spelling of 142852857 in words is "one hundred forty-two million, eight hundred fifty-two thousand, eight hundred fifty-seven".
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