Base | Representation |
---|---|
bin | 11101101001011… |
… | …10100010010001 |
3 | 122022222102112201 |
4 | 32310232202101 |
5 | 1002131444441 |
6 | 40402323201 |
7 | 6106640662 |
oct | 1664564221 |
9 | 568872481 |
10 | 248703121 |
11 | 118428377 |
12 | 6b359501 |
13 | 3c6aa314 |
14 | 2505d369 |
15 | 16c79c31 |
hex | ed2e891 |
248703121 has 2 divisors, whose sum is σ = 248703122. Its totient is φ = 248703120.
The previous prime is 248703061. The next prime is 248703151. The reversal of 248703121 is 121307842.
248703121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 244140625 + 4562496 = 15625^2 + 2136^2 .
It is a cyclic number.
It is not a de Polignac number, because 248703121 - 215 = 248670353 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 248703121.
It is not a weakly prime, because it can be changed into another prime (248703151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124351560 + 124351561.
It is an arithmetic number, because the mean of its divisors is an integer number (124351561).
Almost surely, 2248703121 is an apocalyptic number.
It is an amenable number.
248703121 is a deficient number, since it is larger than the sum of its proper divisors (1).
248703121 is an equidigital number, since it uses as much as digits as its factorization.
248703121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 248703121 is about 15770.3240613502. The cubic root of 248703121 is about 628.8693257948.
The spelling of 248703121 in words is "two hundred forty-eight million, seven hundred three thousand, one hundred twenty-one".
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