Base | Representation |
---|---|
bin | 11101101010000… |
… | …00000101110111 |
3 | 122100010002012001 |
4 | 32311000011313 |
5 | 1002141300111 |
6 | 40404040131 |
7 | 6110360431 |
oct | 1665000567 |
9 | 570102161 |
10 | 248775031 |
11 | 1184773aa |
12 | 6b393047 |
13 | 3c703c7b |
14 | 2507b651 |
15 | 16c911c1 |
hex | ed40177 |
248775031 has 6 divisors (see below), whose sum is σ = 257059896. Its totient is φ = 240749100.
The previous prime is 248775011. The next prime is 248775041. The reversal of 248775031 is 130577842.
248775031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 248775031 - 213 = 248766839 is a prime.
It is a super-2 number, since 2×2487750312 = 123778032098101922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248775011) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128475 + ... + 130396.
It is an arithmetic number, because the mean of its divisors is an integer number (42843316).
Almost surely, 2248775031 is an apocalyptic number.
248775031 is a deficient number, since it is larger than the sum of its proper divisors (8284865).
248775031 is an equidigital number, since it uses as much as digits as its factorization.
248775031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258933 (or 258902 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 37.
The square root of 248775031 is about 15772.6038116729. The cubic root of 248775031 is about 628.9299303625.
The spelling of 248775031 in words is "two hundred forty-eight million, seven hundred seventy-five thousand, thirty-one".
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