Base | Representation |
---|---|
bin | 10001000001001… |
… | …10110100111001 |
3 | 100221122020021021 |
4 | 20200212310321 |
5 | 243021442434 |
6 | 22055542441 |
7 | 3352325365 |
oct | 1040466471 |
9 | 327566237 |
10 | 142765369 |
11 | 7365080a |
12 | 3b98aa21 |
13 | 23767c66 |
14 | 14d642a5 |
15 | c800cb4 |
hex | 8826d39 |
142765369 has 2 divisors, whose sum is σ = 142765370. Its totient is φ = 142765368.
The previous prime is 142765349. The next prime is 142765421. The reversal of 142765369 is 963567241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 131974144 + 10791225 = 11488^2 + 3285^2 .
It is a cyclic number.
It is not a de Polignac number, because 142765369 - 223 = 134376761 is a prime.
It is a super-2 number, since 2×1427653692 = 40763901171412322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (142765319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71382684 + 71382685.
It is an arithmetic number, because the mean of its divisors is an integer number (71382685).
Almost surely, 2142765369 is an apocalyptic number.
It is an amenable number.
142765369 is a deficient number, since it is larger than the sum of its proper divisors (1).
142765369 is an equidigital number, since it uses as much as digits as its factorization.
142765369 is an evil number, because the sum of its binary digits is even.
The product of its digits is 272160, while the sum is 43.
The square root of 142765369 is about 11948.4463006702. The cubic root of 142765369 is about 522.6459917283.
The spelling of 142765369 in words is "one hundred forty-two million, seven hundred sixty-five thousand, three hundred sixty-nine".
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