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289013075 = 5213889271
BaseRepresentation
bin10001001110011…
…111110101010011
3202010211101101222
4101032133311103
51042441404300
644402315255
710106366501
oct2116376523
9663741358
10289013075
1113915a88a
1280958b2b
1347b51c70
142a553671
151a58d785
hex1139fd53

289013075 has 12 divisors (see below), whose sum is σ = 385944048. Its totient is φ = 213424800.

The previous prime is 289013071. The next prime is 289013083. The reversal of 289013075 is 570310982.

It is not a de Polignac number, because 289013075 - 22 = 289013071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289013071) by changing a digit.

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, 444311 + ... + 444960.

It is an arithmetic number, because the mean of its divisors is an integer number (32162004).

Almost surely, 2289013075 is an apocalyptic number.

289013075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289013075 is a deficient number, since it is larger than the sum of its proper divisors (96930973).

289013075 is a wasteful number, since it uses less digits than its factorization.

289013075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889294 (or 889289 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 289013075 is about 17000.3845544741. The cubic root of 289013075 is about 661.1588723089.

The spelling of 289013075 in words is "two hundred eighty-nine million, thirteen thousand, seventy-five".

Divisors: 1 5 13 25 65 325 889271 4446355 11560523 22231775 57802615 289013075