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289045799 = 7179230683
BaseRepresentation
bin10001001110100…
…111110100100111
3202010220001021222
4101032213310213
51042443431144
644403130555
710106564060
oct2116476447
9663801258
10289045799
11139182429
1280973a5b
1347b63b23
142a561567
151a5982ee
hex113a7d27

289045799 has 8 divisors (see below), whose sum is σ = 332184960. Its totient is φ = 246368376.

The previous prime is 289045789. The next prime is 289045811. The reversal of 289045799 is 997540982.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-289045799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 289045799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289045759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114089 + ... + 116594.

It is an arithmetic number, because the mean of its divisors is an integer number (41523120).

Almost surely, 2289045799 is an apocalyptic number.

289045799 is a deficient number, since it is larger than the sum of its proper divisors (43139161).

289045799 is a wasteful number, since it uses less digits than its factorization.

289045799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230869.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 289045799 is about 17001.3469760487. The cubic root of 289045799 is about 661.1838249821.

The spelling of 289045799 in words is "two hundred eighty-nine million, forty-five thousand, seven hundred ninety-nine".

Divisors: 1 7 179 1253 230683 1614781 41292257 289045799