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2387249 is a prime number
BaseRepresentation
bin1001000110110100110001
311111021200122
421012310301
51102342444
6123100025
726201624
oct11066461
94437618
102387249
111390637
12971615
13657797
14461dbb
153224ee
hex246d31

2387249 has 2 divisors, whose sum is σ = 2387250. Its totient is φ = 2387248.

The previous prime is 2387243. The next prime is 2387269. The reversal of 2387249 is 9427832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 6400 = 1543^2 + 80^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2387249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2387243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193624 + 1193625.

It is an arithmetic number, because the mean of its divisors is an integer number (1193625).

22387249 is an apocalyptic number.

It is an amenable number.

2387249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387249 is an equidigital number, since it uses as much as digits as its factorization.

2387249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 2387249 is about 1545.0724902088. The cubic root of 2387249 is about 133.6490594265.

The spelling of 2387249 in words is "two million, three hundred eighty-seven thousand, two hundred forty-nine".