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860083861 = 71377312227
BaseRepresentation
bin110011010000111…
…101011010010101
32012221101210020211
4303100331122111
53230140140421
6221202325421
730212410060
oct6320753225
92187353224
10860083861
1140154980a
12200059871
1310925c080
14823298d7
15507949e1
hex3343d695

860083861 has 16 divisors (see below), whose sum is σ = 1060020864. Its totient is φ = 679569984.

The previous prime is 860083853. The next prime is 860083877. The reversal of 860083861 is 168380068.

It is a cyclic number.

It is not a de Polignac number, because 860083861 - 23 = 860083853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860083801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64230 + ... + 76456.

It is an arithmetic number, because the mean of its divisors is an integer number (66251304).

Almost surely, 2860083861 is an apocalyptic number.

It is an amenable number.

860083861 is a deficient number, since it is larger than the sum of its proper divisors (199937003).

860083861 is a wasteful number, since it uses less digits than its factorization.

860083861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 860083861 is about 29327.1863805582. The cubic root of 860083861 is about 950.9994508333. Note that the first 3 decimals are identical.

The spelling of 860083861 in words is "eight hundred sixty million, eighty-three thousand, eight hundred sixty-one".

Divisors: 1 7 13 91 773 5411 10049 12227 70343 85589 158951 1112657 9451471 66160297 122869123 860083861