Base | Representation |
---|---|
bin | 1011111110100… |
… | …1101010001011 |
3 | 10111112110111220 |
4 | 2333221222023 |
5 | 100330141024 |
6 | 4552453123 |
7 | 1150014465 |
oct | 277515213 |
9 | 114473456 |
10 | 50240139 |
11 | 263a5184 |
12 | 149aa1a3 |
13 | a5407c1 |
14 | 695b135 |
15 | 4625e79 |
hex | 2fe9a8b |
50240139 has 8 divisors (see below), whose sum is σ = 67580112. Its totient is φ = 33196800.
The previous prime is 50240107. The next prime is 50240153. The reversal of 50240139 is 93104205.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50240139 - 25 = 50240107 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (50240189) 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, 73762 + ... + 74439.
It is an arithmetic number, because the mean of its divisors is an integer number (8447514).
Almost surely, 250240139 is an apocalyptic number.
50240139 is a deficient number, since it is larger than the sum of its proper divisors (17339973).
50240139 is a wasteful number, since it uses less digits than its factorization.
50240139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148317.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 50240139 is about 7088.0278639407. The cubic root of 50240139 is about 368.9919945972.
The spelling of 50240139 in words is "fifty million, two hundred forty thousand, one hundred thirty-nine".
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