Base | Representation |
---|---|
bin | 1011011110010… |
… | …0011110101111 |
3 | 10100112211122222 |
4 | 2313210132233 |
5 | 44304344100 |
6 | 4435225555 |
7 | 1123012502 |
oct | 267443657 |
9 | 110484588 |
10 | 48121775 |
11 | 25188669 |
12 | 141482bb |
13 | 9c7b530 |
14 | 6569139 |
15 | 4358485 |
hex | 2de47af |
48121775 has 24 divisors (see below), whose sum is σ = 67651920. Its totient is φ = 33661440.
The previous prime is 48121771. The next prime is 48121783. The reversal of 48121775 is 57712184.
It is not a de Polignac number, because 48121775 - 22 = 48121771 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48121771) 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 23 ways as a sum of consecutive naturals, for example, 2279 + ... + 10071.
It is an arithmetic number, because the mean of its divisors is an integer number (2818830).
Almost surely, 248121775 is an apocalyptic number.
48121775 is a deficient number, since it is larger than the sum of its proper divisors (19530145).
48121775 is a wasteful number, since it uses less digits than its factorization.
48121775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7835 (or 7830 counting only the distinct ones).
The product of its digits is 15680, while the sum is 35.
The square root of 48121775 is about 6936.9860169961. The cubic root of 48121775 is about 363.7311921720.
The spelling of 48121775 in words is "forty-eight million, one hundred twenty-one thousand, seven hundred seventy-five".
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