Base | Representation |
---|---|
bin | 1010111110101001011111 |
3 | 12102012221100 |
4 | 22332221133 |
5 | 1214044142 |
6 | 141404143 |
7 | 33314544 |
oct | 12765137 |
9 | 5365840 |
10 | 2878047 |
11 | 1696357 |
12 | b69653 |
13 | 799cb3 |
14 | 54cbcb |
15 | 3bcb4c |
hex | 2bea5f |
2878047 has 12 divisors (see below), whose sum is σ = 4300920. Its totient is φ = 1852368.
The previous prime is 2878039. The next prime is 2878067. The reversal of 2878047 is 7408782.
It is not a de Polignac number, because 2878047 - 23 = 2878039 is a prime.
It is a zygodrome in base 4.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2878027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5253 + ... + 5774.
It is an arithmetic number, because the mean of its divisors is an integer number (358410).
22878047 is an apocalyptic number.
2878047 is a deficient number, since it is larger than the sum of its proper divisors (1422873).
2878047 is a wasteful number, since it uses less digits than its factorization.
2878047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11062 (or 11059 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 2878047 is about 1696.4807691218. The cubic root of 2878047 is about 142.2435646637.
The spelling of 2878047 in words is "two million, eight hundred seventy-eight thousand, forty-seven".
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