Search a number
-
+
275517085 = 580968113
BaseRepresentation
bin10000011011000…
…000111010011101
3201012102201101111
4100123000322131
51031013021320
643201142021
76553566544
oct2033007235
9635381344
10275517085
11131582078
127832a911
134510807c
142883d15b
15192c4a5a
hex106c0e9d

275517085 has 8 divisors (see below), whose sum is σ = 331034040. Its totient is φ = 220137984.

The previous prime is 275517083. The next prime is 275517091. The reversal of 275517085 is 580715572.

It can be written as a sum of positive squares in 4 ways, for example, as 46267204 + 229249881 = 6802^2 + 15141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275517085 - 21 = 275517083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275517083) 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 in 7 ways as a sum of consecutive naturals, for example, 30012 + ... + 38101.

It is an arithmetic number, because the mean of its divisors is an integer number (41379255).

Almost surely, 2275517085 is an apocalyptic number.

It is an amenable number.

275517085 is a deficient number, since it is larger than the sum of its proper divisors (55516955).

275517085 is an equidigital number, since it uses as much as digits as its factorization.

275517085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68927.

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 275517085 is about 16598.7073291868. The cubic root of 275517085 is about 650.7030538834.

The spelling of 275517085 in words is "two hundred seventy-five million, five hundred seventeen thousand, eighty-five".

Divisors: 1 5 809 4045 68113 340565 55103417 275517085