Base | Representation |
---|---|
bin | 11101101010100… |
… | …11011010001101 |
3 | 122100021002201122 |
4 | 32311103122031 |
5 | 1002201313112 |
6 | 40405450325 |
7 | 6111140216 |
oct | 1665233215 |
9 | 570232648 |
10 | 248854157 |
11 | 1185208a2 |
12 | 6b4109a5 |
13 | 3c730ca6 |
14 | 2509c40d |
15 | 16ca9872 |
hex | ed5368d |
248854157 has 2 divisors, whose sum is σ = 248854158. Its totient is φ = 248854156.
The previous prime is 248854141. The next prime is 248854159. The reversal of 248854157 is 751458842.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 245266921 + 3587236 = 15661^2 + 1894^2 .
It is a cyclic number.
It is not a de Polignac number, because 248854157 - 24 = 248854141 is a prime.
Together with 248854159, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (248854159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124427078 + 124427079.
It is an arithmetic number, because the mean of its divisors is an integer number (124427079).
Almost surely, 2248854157 is an apocalyptic number.
It is an amenable number.
248854157 is a deficient number, since it is larger than the sum of its proper divisors (1).
248854157 is an equidigital number, since it uses as much as digits as its factorization.
248854157 is an evil number, because the sum of its binary digits is even.
The product of its digits is 358400, while the sum is 44.
The square root of 248854157 is about 15775.1119488896. Note that the first 3 decimals coincide. The cubic root of 248854157 is about 628.9966029626.
The spelling of 248854157 in words is "two hundred forty-eight million, eight hundred fifty-four thousand, one hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •