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850289613 = 31669116981
BaseRepresentation
bin110010101011100…
…110001111001101
32012020222012001220
4302223212033031
53220133231423
6220212353553
730033225315
oct6253461715
92166865056
10850289613
113a6a6a198
121b89158b9
13107210064
1480cda445
154e9ac9e3
hex32ae63cd

850289613 has 8 divisors (see below), whose sum is σ = 1133854176. Its totient is φ = 566792400.

The previous prime is 850289603. The next prime is 850289633. The reversal of 850289613 is 316982058.

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

It is not a de Polignac number, because 850289613 - 24 = 850289597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850289603) 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 7 ways as a sum of consecutive naturals, for example, 41583 + ... + 58563.

It is an arithmetic number, because the mean of its divisors is an integer number (141731772).

Almost surely, 2850289613 is an apocalyptic number.

It is an amenable number.

850289613 is a deficient number, since it is larger than the sum of its proper divisors (283564563).

850289613 is a wasteful number, since it uses less digits than its factorization.

850289613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33675.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 850289613 is about 29159.7258731971. The cubic root of 850289613 is about 947.3758097522.

The spelling of 850289613 in words is "eight hundred fifty million, two hundred eighty-nine thousand, six hundred thirteen".

Divisors: 1 3 16691 16981 50073 50943 283429871 850289613