Base | Representation |
---|---|
bin | 1011101001111… |
… | …1000101111011 |
3 | 10101222200011202 |
4 | 2322133011323 |
5 | 100003324024 |
6 | 4503444415 |
7 | 1132345121 |
oct | 272370573 |
9 | 111880152 |
10 | 48886139 |
11 | 2565a975 |
12 | 1445670b |
13 | a188413 |
14 | 66c7911 |
15 | 4459bae |
hex | 2e9f17b |
48886139 has 4 divisors (see below), whose sum is σ = 50207424. Its totient is φ = 47564856.
The previous prime is 48886111. The next prime is 48886151. The reversal of 48886139 is 93168884.
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 48886139 - 220 = 47837563 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 48886093 and 48886102.
It is not an unprimeable number, because it can be changed into a prime (48886939) 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 3 ways as a sum of consecutive naturals, for example, 660587 + ... + 660660.
It is an arithmetic number, because the mean of its divisors is an integer number (12551856).
Almost surely, 248886139 is an apocalyptic number.
48886139 is a deficient number, since it is larger than the sum of its proper divisors (1321285).
48886139 is a wasteful number, since it uses less digits than its factorization.
48886139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1321284.
The product of its digits is 331776, while the sum is 47.
The square root of 48886139 is about 6991.8623413222. The cubic root of 48886139 is about 365.6469143025.
The spelling of 48886139 in words is "forty-eight million, eight hundred eighty-six thousand, one hundred thirty-nine".
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