Search a number
-
+
490455955 = 5112810671
BaseRepresentation
bin11101001110111…
…100001110010011
31021011212202002101
4131032330032103
52001024042310
6120400101231
715103543513
oct3516741623
91234782071
10490455955
11231938900
12118304817
137a7c2c32
14491cd843
152d0d043a
hex1d3bc393

490455955 has 12 divisors (see below), whose sum is σ = 646916256. Its totient is φ = 356694800.

The previous prime is 490455947. The next prime is 490455961. The reversal of 490455955 is 559554094.

It is not a de Polignac number, because 490455955 - 23 = 490455947 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 11 ways as a sum of consecutive naturals, for example, 404731 + ... + 405940.

It is an arithmetic number, because the mean of its divisors is an integer number (53909688).

Almost surely, 2490455955 is an apocalyptic number.

490455955 is a deficient number, since it is larger than the sum of its proper divisors (156460301).

490455955 is a wasteful number, since it uses less digits than its factorization.

490455955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810698 (or 810687 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The square root of 490455955 is about 22146.2402000881. The cubic root of 490455955 is about 788.6179730509.

The spelling of 490455955 in words is "four hundred ninety million, four hundred fifty-five thousand, nine hundred fifty-five".

Divisors: 1 5 11 55 121 605 810671 4053355 8917381 44586905 98091191 490455955