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2869249 is a prime number
BaseRepresentation
bin1010111100100000000001
312101202212111
422330200001
51213303444
6141255321
733250105
oct12744001
95352774
102869249
11168a789
12b64541
13795ca6
14549905
153ba234
hex2bc801

2869249 has 2 divisors, whose sum is σ = 2869250. Its totient is φ = 2869248.

The previous prime is 2869241. The next prime is 2869253. The reversal of 2869249 is 9429682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 87025 = 1668^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2869249 - 23 = 2869241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2869241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434624 + 1434625.

It is an arithmetic number, because the mean of its divisors is an integer number (1434625).

It is a Proth number, since it is equal to 1401 ⋅ 211 + 1 and 1401 < 211.

22869249 is an apocalyptic number.

It is an amenable number.

2869249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2869249 is an equidigital number, since it uses as much as digits as its factorization.

2869249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 2869249 is about 1693.8857694662. The cubic root of 2869249 is about 142.0984736510.

The spelling of 2869249 in words is "two million, eight hundred sixty-nine thousand, two hundred forty-nine".