Base | Representation |
---|---|
bin | 10000110000001… |
… | …00101000001011 |
3 | 100210102120100220 |
4 | 20120010220023 |
5 | 241433400024 |
6 | 21540001123 |
7 | 3324320013 |
oct | 1030045013 |
9 | 323376326 |
10 | 140528139 |
11 | 72362964 |
12 | 3b0901a3 |
13 | 2316385b |
14 | 14940c43 |
15 | c50ce79 |
hex | 8604a0b |
140528139 has 8 divisors (see below), whose sum is σ = 189937872. Its totient is φ = 92401920.
The previous prime is 140528119. The next prime is 140528173. The reversal of 140528139 is 931825041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 140528139 - 28 = 140527883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (140528119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320622 + ... + 321059.
It is an arithmetic number, because the mean of its divisors is an integer number (23742234).
Almost surely, 2140528139 is an apocalyptic number.
140528139 is a deficient number, since it is larger than the sum of its proper divisors (49409733).
140528139 is an equidigital number, since it uses as much as digits as its factorization.
140528139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641757.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 140528139 is about 11854.4565037795. The cubic root of 140528139 is about 519.9015333773.
The spelling of 140528139 in words is "one hundred forty million, five hundred twenty-eight thousand, one hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •