Base | Representation |
---|---|
bin | 10000111101011… |
… | …11101001111001 |
3 | 100220201102200110 |
4 | 20132233221321 |
5 | 242410332431 |
6 | 22041254533 |
7 | 3345223311 |
oct | 1036575171 |
9 | 326642613 |
10 | 142277241 |
11 | 73347aa7 |
12 | 3b794449 |
13 | 23626a22 |
14 | 14c78441 |
15 | c756346 |
hex | 87afa79 |
142277241 has 16 divisors (see below), whose sum is σ = 198319104. Its totient is φ = 90558864.
The previous prime is 142277231. The next prime is 142277273. The reversal of 142277241 is 142772241.
It is not a de Polignac number, because 142277241 - 25 = 142277209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142277199 and 142277208.
It is not an unprimeable number, because it can be changed into a prime (142277231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43050 + ... + 46236.
It is an arithmetic number, because the mean of its divisors is an integer number (12394944).
Almost surely, 2142277241 is an apocalyptic number.
It is an amenable number.
142277241 is a deficient number, since it is larger than the sum of its proper divisors (56041863).
142277241 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (142277240) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (3860).
142277241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3860.
The product of its digits is 6272, while the sum is 30.
The square root of 142277241 is about 11928.0023893358. The cubic root of 142277241 is about 522.0496532383.
The spelling of 142277241 in words is "one hundred forty-two million, two hundred seventy-seven thousand, two hundred forty-one".
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