Base | Representation |
---|---|
bin | 10001000010001… |
… | …10100110100101 |
3 | 100221212211210212 |
4 | 20201012212211 |
5 | 243040124100 |
6 | 22102425205 |
7 | 3353410013 |
oct | 1041064645 |
9 | 327784725 |
10 | 142895525 |
11 | 7372a583 |
12 | 3ba32205 |
13 | 237b2286 |
14 | 14d998b3 |
15 | c829635 |
hex | 88469a5 |
142895525 has 12 divisors (see below), whose sum is σ = 177829764. Its totient is φ = 113904000.
The previous prime is 142895513. The next prime is 142895549. The reversal of 142895525 is 525598241.
It can be written as a sum of positive squares in 6 ways, for example, as 21316 + 142874209 = 146^2 + 11953^2 .
It is not a de Polignac number, because 142895525 - 210 = 142894501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3146 + ... + 17195.
It is an arithmetic number, because the mean of its divisors is an integer number (14819147).
Almost surely, 2142895525 is an apocalyptic number.
It is an amenable number.
142895525 is a deficient number, since it is larger than the sum of its proper divisors (34934239).
142895525 is a wasteful number, since it uses less digits than its factorization.
142895525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20632 (or 20627 counting only the distinct ones).
The product of its digits is 144000, while the sum is 41.
The square root of 142895525 is about 11953.8916257426. The cubic root of 142895525 is about 522.8047717140.
The spelling of 142895525 in words is "one hundred forty-two million, eight hundred ninety-five thousand, five hundred twenty-five".
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