Base | Representation |
---|---|
bin | 1011111101000… |
… | …1010100101011 |
3 | 10111100101210001 |
4 | 2333101110223 |
5 | 100313443314 |
6 | 4550403431 |
7 | 1146121045 |
oct | 277212453 |
9 | 114311701 |
10 | 50140459 |
11 | 263372a6 |
12 | 14960577 |
13 | a507315 |
14 | 6932a95 |
15 | 4606674 |
hex | 2fd152b |
50140459 has 4 divisors (see below), whose sum is σ = 50285304. Its totient is φ = 49995616.
The previous prime is 50140457. The next prime is 50140469. The reversal of 50140459 is 95404105.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95404105 = 5 ⋅19080821.
It is a cyclic number.
It is not a de Polignac number, because 50140459 - 21 = 50140457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50140457) 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, 71902 + ... + 72595.
It is an arithmetic number, because the mean of its divisors is an integer number (12571326).
Almost surely, 250140459 is an apocalyptic number.
50140459 is a deficient number, since it is larger than the sum of its proper divisors (144845).
50140459 is a wasteful number, since it uses less digits than its factorization.
50140459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144844.
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 50140459 is about 7080.9927976238. The cubic root of 50140459 is about 368.7477975929.
The spelling of 50140459 in words is "fifty million, one hundred forty thousand, four hundred fifty-nine".
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