Base | Representation |
---|---|
bin | 10000111110010… |
… | …00100001111111 |
3 | 100220220121110022 |
4 | 20133020201333 |
5 | 242422113020 |
6 | 22043402355 |
7 | 3346126343 |
oct | 1037104177 |
9 | 326817408 |
10 | 142379135 |
11 | 73407608 |
12 | 3b8233bb |
13 | 23661212 |
14 | 14ca3623 |
15 | c776625 |
hex | 87c887f |
142379135 has 4 divisors (see below), whose sum is σ = 170854968. Its totient is φ = 113903304.
The previous prime is 142379129. The next prime is 142379137. The reversal of 142379135 is 531973241.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 142379135 - 28 = 142378879 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142379095 and 142379104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142379137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14237909 + ... + 14237918.
It is an arithmetic number, because the mean of its divisors is an integer number (42713742).
Almost surely, 2142379135 is an apocalyptic number.
142379135 is a deficient number, since it is larger than the sum of its proper divisors (28475833).
142379135 is an equidigital number, since it uses as much as digits as its factorization.
142379135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28475832.
The product of its digits is 22680, while the sum is 35.
The square root of 142379135 is about 11932.2728346279. The cubic root of 142379135 is about 522.1742480870.
The spelling of 142379135 in words is "one hundred forty-two million, three hundred seventy-nine thousand, one hundred thirty-five".
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