[go: up one dir, main page]

Search a number
-
+
168848479 is a prime number
BaseRepresentation
bin10100001000001…
…10110001011111
3102202201101120101
422010012301133
5321211122404
624431001531
74120121422
oct1204066137
9382641511
10168848479
11873463a8
12486692a7
1328c9b157
14185d39b9
15ec542a4
hexa106c5f

168848479 has 2 divisors, whose sum is σ = 168848480. Its totient is φ = 168848478.

The previous prime is 168848441. The next prime is 168848557. The reversal of 168848479 is 974848861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168848479 - 29 = 168847967 is a prime.

It is a super-2 number, since 2×1688484792 = 57019617721226882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168848419) 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, 84424239 + 84424240.

It is an arithmetic number, because the mean of its divisors is an integer number (84424240).

Almost surely, 2168848479 is an apocalyptic number.

168848479 is a deficient number, since it is larger than the sum of its proper divisors (1).

168848479 is an equidigital number, since it uses as much as digits as its factorization.

168848479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 55.

The square root of 168848479 is about 12994.1709623969. The cubic root of 168848479 is about 552.7122001106.

The spelling of 168848479 in words is "one hundred sixty-eight million, eight hundred forty-eight thousand, four hundred seventy-nine".