Base | Representation |
---|---|
bin | 11101101010111… |
… | …10111101110010 |
3 | 122100100111122201 |
4 | 32311132331302 |
5 | 1002204321430 |
6 | 40410453414 |
7 | 6111425215 |
oct | 1665367562 |
9 | 570314581 |
10 | 248901490 |
11 | 118553412 |
12 | 6b43426a |
13 | 3c7496b6 |
14 | 250b177c |
15 | 16cb88ca |
hex | ed5ef72 |
248901490 has 16 divisors (see below), whose sum is σ = 463472280. Its totient is φ = 96127360.
The previous prime is 248901473. The next prime is 248901493. The reversal of 248901490 is 94109842.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 241211961 + 7689529 = 15531^2 + 2773^2 .
It is not an unprimeable number, because it can be changed into a prime (248901493) 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 7 ways as a sum of consecutive naturals, for example, 428851 + ... + 429430.
Almost surely, 2248901490 is an apocalyptic number.
248901490 is a deficient number, since it is larger than the sum of its proper divisors (214570790).
248901490 is a wasteful number, since it uses less digits than its factorization.
248901490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858317.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 248901490 is about 15776.6121204776. The cubic root of 248901490 is about 629.0364796106.
The spelling of 248901490 in words is "two hundred forty-eight million, nine hundred one thousand, four hundred ninety".
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