Search a number
-
+
974249 is a prime number
BaseRepresentation
bin11101101110110101001
31211111102022
43231312221
5222133444
632514225
711165243
oct3556651
91744368
10974249
11605a71
123ab975
132815a3
141b5093
151439ee
hexedda9

974249 has 2 divisors, whose sum is σ = 974250. Its totient is φ = 974248.

The previous prime is 974213. The next prime is 974261. The reversal of 974249 is 942479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 105625 = 932^2 + 325^2 .

It is an emirp because it is prime and its reverse (942479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-974249 is a prime.

It is a super-2 number, since 2×9742492 = 1898322228002, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (974269) 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, 487124 + 487125.

It is an arithmetic number, because the mean of its divisors is an integer number (487125).

2974249 is an apocalyptic number.

It is an amenable number.

974249 is a deficient number, since it is larger than the sum of its proper divisors (1).

974249 is an equidigital number, since it uses as much as digits as its factorization.

974249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 974249 is about 987.0405260170. The cubic root of 974249 is about 99.1341581491.

The spelling of 974249 in words is "nine hundred seventy-four thousand, two hundred forty-nine".