Base | Representation |
---|---|
bin | 1011000001110111101001 |
3 | 12102220001000 |
4 | 23001313221 |
5 | 1220004431 |
6 | 141545213 |
7 | 33401163 |
oct | 13016751 |
9 | 5386030 |
10 | 2891241 |
11 | 16a5261 |
12 | b75209 |
13 | 7a2cc2 |
14 | 553933 |
15 | 3c19e6 |
hex | 2c1de9 |
2891241 has 16 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 1813824.
The previous prime is 2891237. The next prime is 2891243. The reversal of 2891241 is 1421982.
It is not a de Polignac number, because 2891241 - 22 = 2891237 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2891243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 3608.
It is an arithmetic number, because the mean of its divisors is an integer number (283500).
22891241 is an apocalyptic number.
It is an amenable number.
2891241 is a deficient number, since it is larger than the sum of its proper divisors (1644759).
2891241 is a wasteful number, since it uses less digits than its factorization.
2891241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6325 (or 6319 counting only the distinct ones).
The product of its digits is 1152, while the sum is 27.
The square root of 2891241 is about 1700.3649608246. The cubic root of 2891241 is about 142.4605985247.
The spelling of 2891241 in words is "two million, eight hundred ninety-one thousand, two hundred forty-one".
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