Base | Representation |
---|---|
bin | 1011011111100… |
… | …1011000011111 |
3 | 10100201012002221 |
4 | 2313321120133 |
5 | 44320114031 |
6 | 4441130211 |
7 | 1123520221 |
oct | 267713037 |
9 | 110635087 |
10 | 48207391 |
11 | 25236a21 |
12 | 14189967 |
13 | 9cab4ab |
14 | 658c411 |
15 | 4373a11 |
hex | 2df961f |
48207391 has 4 divisors (see below), whose sum is σ = 48280984. Its totient is φ = 48133800.
The previous prime is 48207373. The next prime is 48207407. The reversal of 48207391 is 19370284.
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 48207391 - 223 = 39818783 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48207331) 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, 35805 + ... + 37126.
It is an arithmetic number, because the mean of its divisors is an integer number (12070246).
Almost surely, 248207391 is an apocalyptic number.
48207391 is a deficient number, since it is larger than the sum of its proper divisors (73593).
48207391 is an equidigital number, since it uses as much as digits as its factorization.
48207391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73592.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 48207391 is about 6943.1542543717. The cubic root of 48207391 is about 363.9467755170.
The spelling of 48207391 in words is "forty-eight million, two hundred seven thousand, three hundred ninety-one".
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