Base | Representation |
---|---|
bin | 1010111111001011110111 |
3 | 12102022221211 |
4 | 22333023313 |
5 | 1214131442 |
6 | 141422251 |
7 | 33324136 |
oct | 12771367 |
9 | 5368854 |
10 | 2880247 |
11 | 1697a77 |
12 | b6a987 |
13 | 79acb6 |
14 | 54d91d |
15 | 3bd617 |
hex | 2bf2f7 |
2880247 has 4 divisors (see below), whose sum is σ = 2885976. Its totient is φ = 2874520.
The previous prime is 2880239. The next prime is 2880271. The reversal of 2880247 is 7420882.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2880247 - 23 = 2880239 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 a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2880347) 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, 2029 + ... + 3142.
It is an arithmetic number, because the mean of its divisors is an integer number (721494).
22880247 is an apocalyptic number.
2880247 is a deficient number, since it is larger than the sum of its proper divisors (5729).
2880247 is an equidigital number, since it uses as much as digits as its factorization.
2880247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5728.
The product of its (nonzero) digits is 7168, while the sum is 31.
The square root of 2880247 is about 1697.1290463604. The cubic root of 2880247 is about 142.2797994367.
The spelling of 2880247 in words is "two million, eight hundred eighty thousand, two hundred forty-seven".
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