Base | Representation |
---|---|
bin | 10000111110110… |
… | …10100100100001 |
3 | 100221001100210222 |
4 | 20133122210201 |
5 | 242431444100 |
6 | 22045132425 |
7 | 3346554641 |
oct | 1037324441 |
9 | 327040728 |
10 | 142453025 |
11 | 73458080 |
12 | 3b85a115 |
13 | 23688a40 |
14 | 14cc2521 |
15 | c78d485 |
hex | 87da921 |
142453025 has 24 divisors (see below), whose sum is σ = 207528384. Its totient is φ = 95630400.
The previous prime is 142453019. The next prime is 142453039. The reversal of 142453025 is 520354241.
It is a happy number.
It is not a de Polignac number, because 142453025 - 24 = 142453009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142452985 and 142453003.
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 23 ways as a sum of consecutive naturals, for example, 16349 + ... + 23498.
It is an arithmetic number, because the mean of its divisors is an integer number (8647016).
Almost surely, 2142453025 is an apocalyptic number.
It is an amenable number.
142453025 is a deficient number, since it is larger than the sum of its proper divisors (65075359).
142453025 is a wasteful number, since it uses less digits than its factorization.
142453025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39881 (or 39876 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 142453025 is about 11935.3686579008. The cubic root of 142453025 is about 522.2645627777.
The spelling of 142453025 in words is "one hundred forty-two million, four hundred fifty-three thousand, twenty-five".
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