Base | Representation |
---|---|
bin | 10010001111000011111111 |
3 | 22222212022200 |
4 | 102033003333 |
5 | 2210432122 |
6 | 250242543 |
7 | 55426461 |
oct | 22170377 |
9 | 8885280 |
10 | 4780287 |
11 | 2775556 |
12 | 1726453 |
13 | cb4a95 |
14 | 8c6131 |
15 | 6465ac |
hex | 48f0ff |
4780287 has 6 divisors (see below), whose sum is σ = 6904872. Its totient is φ = 3186852.
The previous prime is 4780283. The next prime is 4780291. The reversal of 4780287 is 7820874.
It is an interprime number because it is at equal distance from previous prime (4780283) and next prime (4780291).
It is not a de Polignac number, because 4780287 - 22 = 4780283 is a prime.
It is a super-2 number, since 2×47802872 = 45702287604738, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4780283) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265563 + ... + 265580.
It is an arithmetic number, because the mean of its divisors is an integer number (1150812).
Almost surely, 24780287 is an apocalyptic number.
4780287 is a deficient number, since it is larger than the sum of its proper divisors (2124585).
4780287 is a wasteful number, since it uses less digits than its factorization.
4780287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 531149 (or 531146 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 4780287 is about 2186.3867452946. The cubic root of 4780287 is about 168.4552913755.
The spelling of 4780287 in words is "four million, seven hundred eighty thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •