Base | Representation |
---|---|
bin | 1011000011011111100110 |
3 | 12110020011102 |
4 | 23003133212 |
5 | 1220213034 |
6 | 142040102 |
7 | 33426446 |
oct | 13033746 |
9 | 5406142 |
10 | 2897894 |
11 | 16aa25a |
12 | b79032 |
13 | 7a603c |
14 | 556126 |
15 | 3c397e |
hex | 2c37e6 |
2897894 has 4 divisors (see below), whose sum is σ = 4346844. Its totient is φ = 1448946.
The previous prime is 2897893. The next prime is 2897897. The reversal of 2897894 is 4987982.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4987982 = 2 ⋅2493991.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2897893) 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 as a sum of consecutive naturals, namely, 724472 + ... + 724475.
It is an arithmetic number, because the mean of its divisors is an integer number (1086711).
22897894 is an apocalyptic number.
2897894 is a deficient number, since it is larger than the sum of its proper divisors (1448950).
2897894 is a wasteful number, since it uses less digits than its factorization.
2897894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1448949.
The product of its digits is 290304, while the sum is 47.
The square root of 2897894 is about 1702.3201813995. The cubic root of 2897894 is about 142.5697862757.
The spelling of 2897894 in words is "two million, eight hundred ninety-seven thousand, eight hundred ninety-four".
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