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809095037 = 1811446767
BaseRepresentation
bin110000001110011…
…100111101111101
32002101110021201212
4300032130331331
53124112020122
6212141414205
726023123442
oct6016347575
92071407655
10809095037
11385793093
121a6b6a365
13cb81887a
14796559c9
154b071ce2
hex3039cf7d

809095037 has 4 divisors (see below), whose sum is σ = 809543616. Its totient is φ = 808646460.

The previous prime is 809095003. The next prime is 809095043. The reversal of 809095037 is 730590908.

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 a cyclic number.

It is not a de Polignac number, because 809095037 - 226 = 741986173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 809094985 and 809095003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809095087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221573 + ... + 225194.

It is an arithmetic number, because the mean of its divisors is an integer number (202385904).

Almost surely, 2809095037 is an apocalyptic number.

It is an amenable number.

809095037 is a deficient number, since it is larger than the sum of its proper divisors (448579).

809095037 is a wasteful number, since it uses less digits than its factorization.

809095037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448578.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 809095037 is about 28444.5959190845. The cubic root of 809095037 is about 931.8224705146.

The spelling of 809095037 in words is "eight hundred nine million, ninety-five thousand, thirty-seven".

Divisors: 1 1811 446767 809095037