Base | Representation |
---|---|
bin | 11101100111010… |
… | …11111010100011 |
3 | 122022110120020010 |
4 | 32303223322203 |
5 | 1002044231433 |
6 | 40352420003 |
7 | 6104423265 |
oct | 1663537243 |
9 | 568416203 |
10 | 248430243 |
11 | 118261356 |
12 | 6b247603 |
13 | 3c613059 |
14 | 24dcbb35 |
15 | 16c23e63 |
hex | ecebea3 |
248430243 has 4 divisors (see below), whose sum is σ = 331240328. Its totient is φ = 165620160.
The previous prime is 248430241. The next prime is 248430257. The reversal of 248430243 is 342034842.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 248430243 - 21 = 248430241 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 248430243.
It is not an unprimeable number, because it can be changed into a prime (248430241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41405038 + ... + 41405043.
It is an arithmetic number, because the mean of its divisors is an integer number (82810082).
Almost surely, 2248430243 is an apocalyptic number.
248430243 is a deficient number, since it is larger than the sum of its proper divisors (82810085).
248430243 is an equidigital number, since it uses as much as digits as its factorization.
248430243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82810084.
The product of its (nonzero) digits is 18432, while the sum is 30.
The square root of 248430243 is about 15761.6700574527. The cubic root of 248430243 is about 628.6392423614.
The spelling of 248430243 in words is "two hundred forty-eight million, four hundred thirty thousand, two hundred forty-three".
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