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289049275 = 5211561971
BaseRepresentation
bin10001001110101…
…000101010111011
3202010220020001201
4101032220222323
51042444034100
644403155031
710106610154
oct2116505273
9663806051
10289049275
11139184aa9
1280975a77
1347b65598
142a56292b
151a59936a
hex113a8abb

289049275 has 6 divisors (see below), whose sum is σ = 358421132. Its totient is φ = 231239400.

The previous prime is 289049269. The next prime is 289049287. The reversal of 289049275 is 572940982.

It is not a de Polignac number, because 289049275 - 29 = 289048763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5780961 + ... + 5781010.

Almost surely, 2289049275 is an apocalyptic number.

289049275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289049275 is a deficient number, since it is larger than the sum of its proper divisors (69371857).

289049275 is a wasteful number, since it uses less digits than its factorization.

289049275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561981 (or 11561976 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 289049275 is about 17001.4492029356. The cubic root of 289049275 is about 661.1864753876.

The spelling of 289049275 in words is "two hundred eighty-nine million, forty-nine thousand, two hundred seventy-five".

Divisors: 1 5 25 11561971 57809855 289049275