Search a number
-
+
458302081 is a prime number
BaseRepresentation
bin11011010100010…
…010001010000001
31011221101011021011
4123110102022001
51414311131311
6113251000521
714233334446
oct3324221201
91157334234
10458302081
11215777156
12109599141
1373c45783
1444c1d9cd
152a37d321
hex1b512281

458302081 has 2 divisors, whose sum is σ = 458302082. Its totient is φ = 458302080.

The previous prime is 458302049. The next prime is 458302093. The reversal of 458302081 is 180203854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407393856 + 50908225 = 20184^2 + 7135^2 .

It is a cyclic number.

It is not a de Polignac number, because 458302081 - 25 = 458302049 is a prime.

It is a super-2 number, since 2×4583020812 = 420081594897861122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (458302001) 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, 229151040 + 229151041.

It is an arithmetic number, because the mean of its divisors is an integer number (229151041).

Almost surely, 2458302081 is an apocalyptic number.

It is an amenable number.

458302081 is a deficient number, since it is larger than the sum of its proper divisors (1).

458302081 is an equidigital number, since it uses as much as digits as its factorization.

458302081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 458302081 is about 21407.9910547440. The cubic root of 458302081 is about 770.9933101836.

The spelling of 458302081 in words is "four hundred fifty-eight million, three hundred two thousand, eighty-one".