Search a number
-
+
7490297 is a prime number
BaseRepresentation
bin11100100100101011111001
3112002112202102
4130210223321
53404142142
6424313145
7120444413
oct34445371
915075672
107490297
114256631
1226127b5
131723439
14dcd9b3
159ce532
hex724af9

7490297 has 2 divisors, whose sum is σ = 7490298. Its totient is φ = 7490296.

The previous prime is 7490257. The next prime is 7490303. The reversal of 7490297 is 7920947.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 839056 = 2579^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 7490297 - 26 = 7490233 is a prime.

It is a super-2 number, since 2×74902972 = 112209098296418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7490297.

It is not a weakly prime, because it can be changed into another prime (7490257) 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, 3745148 + 3745149.

It is an arithmetic number, because the mean of its divisors is an integer number (3745149).

Almost surely, 27490297 is an apocalyptic number.

It is an amenable number.

7490297 is a deficient number, since it is larger than the sum of its proper divisors (1).

7490297 is an equidigital number, since it uses as much as digits as its factorization.

7490297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 7490297 is about 2736.8406968620. The cubic root of 7490297 is about 195.6589323835.

The spelling of 7490297 in words is "seven million, four hundred ninety thousand, two hundred ninety-seven".