Search a number
-
+
8490413 is a prime number
BaseRepresentation
bin100000011000…
…110110101101
3120222100122202
4200120312231
54133143123
6501551245
7132111251
oct40306655
916870582
108490413
114879a78
122a15525
1319b3719
1411b0261
15b2aa28
hex818dad

8490413 has 2 divisors, whose sum is σ = 8490414. Its totient is φ = 8490412.

The previous prime is 8490401. The next prime is 8490421. The reversal of 8490413 is 3140948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 413449 = 2842^2 + 643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8490413 is a prime.

It is a super-2 number, since 2×84904132 = 144174225821138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8490613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245206 + 4245207.

It is an arithmetic number, because the mean of its divisors is an integer number (4245207).

Almost surely, 28490413 is an apocalyptic number.

It is an amenable number.

8490413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8490413 is an equidigital number, since it uses as much as digits as its factorization.

8490413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8490413 is about 2913.8313266214. The cubic root of 8490413 is about 204.0059991187.

The spelling of 8490413 in words is "eight million, four hundred ninety thousand, four hundred thirteen".