Base | Representation |
---|---|
bin | 10000111110001… |
… | …10000111001001 |
3 | 100220220002212021 |
4 | 20133012013021 |
5 | 242421303400 |
6 | 22043244441 |
7 | 3346055425 |
oct | 1037060711 |
9 | 326802767 |
10 | 142369225 |
11 | 73400119 |
12 | 3b819721 |
13 | 2365985b |
14 | 14c9db85 |
15 | c77371a |
hex | 87c61c9 |
142369225 has 6 divisors (see below), whose sum is σ = 176537870. Its totient is φ = 113895360.
The previous prime is 142369217. The next prime is 142369243. The reversal of 142369225 is 522963241.
It can be written as a sum of positive squares in 3 ways, for example, as 9566649 + 132802576 = 3093^2 + 11524^2 .
It is not a de Polignac number, because 142369225 - 23 = 142369217 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 5 ways as a sum of consecutive naturals, for example, 2847360 + ... + 2847409.
Almost surely, 2142369225 is an apocalyptic number.
It is an amenable number.
142369225 is a deficient number, since it is larger than the sum of its proper divisors (34168645).
142369225 is an equidigital number, since it uses as much as digits as its factorization.
142369225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5694779 (or 5694774 counting only the distinct ones).
The product of its digits is 25920, while the sum is 34.
The square root of 142369225 is about 11931.8575670346. The cubic root of 142369225 is about 522.1621328594.
The spelling of 142369225 in words is "one hundred forty-two million, three hundred sixty-nine thousand, two hundred twenty-five".
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