Search a number
-
+
874249 is a prime number
BaseRepresentation
bin11010101011100001001
31122102020121
43111130021
5210433444
630423241
710300555
oct3253411
91572217
10874249
11547922
12361b21
13247c0c
1418a865
15124084
hexd5709

874249 has 2 divisors, whose sum is σ = 874250. Its totient is φ = 874248.

The previous prime is 874229. The next prime is 874267. The reversal of 874249 is 942478.

It is a happy number.

874249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 5625 = 932^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 874249 - 25 = 874217 is a prime.

It is a super-2 number, since 2×8742492 = 1528622628002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (874229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437124 + 437125.

It is an arithmetic number, because the mean of its divisors is an integer number (437125).

2874249 is an apocalyptic number.

It is an amenable number.

874249 is a deficient number, since it is larger than the sum of its proper divisors (1).

874249 is an equidigital number, since it uses as much as digits as its factorization.

874249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 874249 is about 935.0128341365. The cubic root of 874249 is about 95.6191872811.

The spelling of 874249 in words is "eight hundred seventy-four thousand, two hundred forty-nine".