Base | Representation |
---|---|
bin | 10001001110000… |
… | …001110110001101 |
3 | 202010121010221000 |
4 | 101032001312031 |
5 | 1042423442003 |
6 | 44355530513 |
7 | 10105345431 |
oct | 2116016615 |
9 | 663533830 |
10 | 288890253 |
11 | 139086583 |
12 | 808b9a39 |
13 | 47b0b0a2 |
14 | 2a5209c1 |
15 | 1a5671a3 |
hex | 11381d8d |
288890253 has 8 divisors (see below), whose sum is σ = 427985600. Its totient is φ = 192593484.
The previous prime is 288890237. The next prime is 288890293. The reversal of 288890253 is 352098882.
It is not a de Polignac number, because 288890253 - 24 = 288890237 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 288890199 and 288890208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288890293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5349793 + ... + 5349846.
It is an arithmetic number, because the mean of its divisors is an integer number (53498200).
Almost surely, 2288890253 is an apocalyptic number.
It is an amenable number.
288890253 is a deficient number, since it is larger than the sum of its proper divisors (139095347).
288890253 is a wasteful number, since it uses less digits than its factorization.
288890253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10699648 (or 10699642 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The square root of 288890253 is about 16996.7718405584. The cubic root of 288890253 is about 661.0652013900.
The spelling of 288890253 in words is "two hundred eighty-eight million, eight hundred ninety thousand, two hundred fifty-three".
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