Base | Representation |
---|---|
bin | 10010001111000011011111 |
3 | 22222212021111 |
4 | 102033003133 |
5 | 2210432010 |
6 | 250242451 |
7 | 55426414 |
oct | 22170337 |
9 | 8885244 |
10 | 4780255 |
11 | 2775527 |
12 | 1726427 |
13 | cb4a6c |
14 | 8c610b |
15 | 64658a |
hex | 48f0df |
4780255 has 4 divisors (see below), whose sum is σ = 5736312. Its totient is φ = 3824200.
The previous prime is 4780241. The next prime is 4780261. The reversal of 4780255 is 5520874.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 4780255 - 29 = 4779743 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 478021 + ... + 478030.
It is an arithmetic number, because the mean of its divisors is an integer number (1434078).
Almost surely, 24780255 is an apocalyptic number.
4780255 is a deficient number, since it is larger than the sum of its proper divisors (956057).
4780255 is an equidigital number, since it uses as much as digits as its factorization.
4780255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 956056.
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 4780255 is about 2186.3794272724. The cubic root of 4780255 is about 168.4549154858.
The spelling of 4780255 in words is "four million, seven hundred eighty thousand, two hundred fifty-five".
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