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807085 = 53141127
BaseRepresentation
bin11000101000010101101
31112000010001
43011002231
5201311320
625144301
76601006
oct3050255
91460101
10807085
11501414
1232b091
13223486
141701ad
1510e20a
hexc50ad

807085 has 16 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 604800.

The previous prime is 807083. The next prime is 807089. The reversal of 807085 is 580708.

807085 is a nontrivial binomial coefficient, being equal to C(1271, 2).

It is not a de Polignac number, because 807085 - 21 = 807083 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 (807083) 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, 6292 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2807085 is an apocalyptic number.

807085 is the 1270-th triangular number.

807085 is the 424-th centered nonagonal number.

It is an amenable number.

807085 is a deficient number, since it is larger than the sum of its proper divisors (225107).

807085 is a wasteful number, since it uses less digits than its factorization.

807085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 807085 is about 898.3790959278. The cubic root of 807085 is about 93.1050187601.

The spelling of 807085 in words is "eight hundred seven thousand, eighty-five".

Divisors: 1 5 31 41 127 155 205 635 1271 3937 5207 6355 19685 26035 161417 807085