Search a number
-
+
455540305 = 51125433257
BaseRepresentation
bin11011001001101…
…111111001010001
31011202011211211011
4123021233321101
51413104242210
6113111450521
714201012563
oct3311577121
91152154734
10455540305
112141601a0
12108686a41
13734b969c
1444701333
1529ed4d8a
hex1b26fe51

455540305 has 16 divisors (see below), whose sum is σ = 596761344. Its totient is φ = 331070080.

The previous prime is 455540297. The next prime is 455540329. The reversal of 455540305 is 503045554.

It is not a de Polignac number, because 455540305 - 23 = 455540297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138237 + ... + 141493.

It is an arithmetic number, because the mean of its divisors is an integer number (37297584).

Almost surely, 2455540305 is an apocalyptic number.

It is an amenable number.

455540305 is a deficient number, since it is larger than the sum of its proper divisors (141221039).

455540305 is a wasteful number, since it uses less digits than its factorization.

455540305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 455540305 is about 21343.3901946247. The cubic root of 455540305 is about 769.4414935724.

Adding to 455540305 its reverse (503045554), we get a palindrome (958585859).

The spelling of 455540305 in words is "four hundred fifty-five million, five hundred forty thousand, three hundred five".

Divisors: 1 5 11 55 2543 3257 12715 16285 27973 35827 139865 179135 8282551 41412755 91108061 455540305