Base | Representation |
---|---|
bin | 1011011111100… |
… | …1110111101011 |
3 | 10100201021211212 |
4 | 2313321313223 |
5 | 44320200022 |
6 | 4441143335 |
7 | 1123526102 |
oct | 267716753 |
9 | 110637755 |
10 | 48209387 |
11 | 25238476 |
12 | 1418ab4b |
13 | 9cac385 |
14 | 658d039 |
15 | 43743e2 |
hex | 2df9deb |
48209387 has 4 divisors (see below), whose sum is σ = 48315336. Its totient is φ = 48103440.
The previous prime is 48209377. The next prime is 48209389. The reversal of 48209387 is 78390284.
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 48209387 - 26 = 48209323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48209389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52289 + ... + 53202.
It is an arithmetic number, because the mean of its divisors is an integer number (12078834).
Almost surely, 248209387 is an apocalyptic number.
48209387 is a deficient number, since it is larger than the sum of its proper divisors (105949).
48209387 is a wasteful number, since it uses less digits than its factorization.
48209387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105948.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 48209387 is about 6943.2979915887. The cubic root of 48209387 is about 363.9517984517.
The spelling of 48209387 in words is "forty-eight million, two hundred nine thousand, three hundred eighty-seven".
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