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289013077 = 1439200843
BaseRepresentation
bin10001001110011…
…111110101010101
3202010211101102001
4101032133311111
51042441404302
644402315301
710106366503
oct2116376525
9663741361
10289013077
1113915a891
1280958b31
1347b51c72
142a553673
151a58d787
hex1139fd55

289013077 has 4 divisors (see below), whose sum is σ = 289215360. Its totient is φ = 288810796.

The previous prime is 289013071. The next prime is 289013083. The reversal of 289013077 is 770310982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (289013071) and next prime (289013083).

It is a cyclic number.

It is not a de Polignac number, because 289013077 - 219 = 288488789 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 98983 + ... + 101860.

It is an arithmetic number, because the mean of its divisors is an integer number (72303840).

Almost surely, 2289013077 is an apocalyptic number.

It is an amenable number.

289013077 is a deficient number, since it is larger than the sum of its proper divisors (202283).

289013077 is a wasteful number, since it uses less digits than its factorization.

289013077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202282.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 289013077 is about 17000.3846132963. The cubic root of 289013077 is about 661.1588738340.

The spelling of 289013077 in words is "two hundred eighty-nine million, thirteen thousand, seventy-seven".

Divisors: 1 1439 200843 289013077