Search a number
-
+
490135241 is a prime number
BaseRepresentation
bin11101001101101…
…101111011001001
31021011021110011002
4131031231323021
52000433311431
6120345144345
715101036501
oct3515557311
91234243132
10490135241
11231739952
1211818b0b5
137a70cc6b
1449148a01
152d06a3cb
hex1d36dec9

490135241 has 2 divisors, whose sum is σ = 490135242. Its totient is φ = 490135240.

The previous prime is 490135231. The next prime is 490135339. The reversal of 490135241 is 142531094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477204025 + 12931216 = 21845^2 + 3596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-490135241 is a prime.

It is not a weakly prime, because it can be changed into another prime (490135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245067620 + 245067621.

It is an arithmetic number, because the mean of its divisors is an integer number (245067621).

Almost surely, 2490135241 is an apocalyptic number.

It is an amenable number.

490135241 is a deficient number, since it is larger than the sum of its proper divisors (1).

490135241 is an equidigital number, since it uses as much as digits as its factorization.

490135241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 490135241 is about 22138.9981932336. The cubic root of 490135241 is about 788.4460405385.

The spelling of 490135241 in words is "four hundred ninety million, one hundred thirty-five thousand, two hundred forty-one".