Search a number
-
+
554406287 is a prime number
BaseRepresentation
bin100001000010111…
…001000110001111
31102122012202110012
4201002321012033
52113412000122
6131002503435
716511242601
oct4102710617
91378182405
10554406287
11264a47716
12135804b7b
138ab23c76
14538b9171
1533a137e2
hex210b918f

554406287 has 2 divisors, whose sum is σ = 554406288. Its totient is φ = 554406286.

The previous prime is 554406241. The next prime is 554406299. The reversal of 554406287 is 782604455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554406287 - 214 = 554389903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554406487) 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, 277203143 + 277203144.

It is an arithmetic number, because the mean of its divisors is an integer number (277203144).

Almost surely, 2554406287 is an apocalyptic number.

554406287 is a deficient number, since it is larger than the sum of its proper divisors (1).

554406287 is an equidigital number, since it uses as much as digits as its factorization.

554406287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 554406287 is about 23545.8337503687. The cubic root of 554406287 is about 821.5034321058.

The spelling of 554406287 in words is "five hundred fifty-four million, four hundred six thousand, two hundred eighty-seven".