Base | Representation |
---|---|
bin | 1011101010011… |
… | …1000011011101 |
3 | 10102001022220112 |
4 | 2322213003131 |
5 | 100010344444 |
6 | 4504255405 |
7 | 1132542155 |
oct | 272470335 |
9 | 112038815 |
10 | 48918749 |
11 | 25682420 |
12 | 14471565 |
13 | a19a209 |
14 | 66d5765 |
15 | 446469e |
hex | 2ea70dd |
48918749 has 24 divisors (see below), whose sum is σ = 57351168. Its totient is φ = 41368320.
The previous prime is 48918743. The next prime is 48918791. The reversal of 48918749 is 94781984.
It is not a de Polignac number, because 48918749 - 216 = 48853213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 48918697 and 48918706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48918743) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385124 + ... + 385250.
It is an arithmetic number, because the mean of its divisors is an integer number (2389632).
Almost surely, 248918749 is an apocalyptic number.
It is an amenable number.
48918749 is a deficient number, since it is larger than the sum of its proper divisors (8432419).
48918749 is a wasteful number, since it uses less digits than its factorization.
48918749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273 (or 254 counting only the distinct ones).
The product of its digits is 580608, while the sum is 50.
The square root of 48918749 is about 6994.1939492696. The cubic root of 48918749 is about 365.7281990716.
The spelling of 48918749 in words is "forty-eight million, nine hundred eighteen thousand, seven hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •