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80838017 = 136918999
BaseRepresentation
bin1001101000101…
…11110110000001
312122002222220122
410310113312001
5131143304032
612004350025
72001053231
oct464276601
9178088818
1080838017
11416a3887
12230a5315
1313994960
14aa43cc1
15716c012
hex4d17d81

80838017 has 8 divisors (see below), whose sum is σ = 87192000. Its totient is φ = 74503440.

The previous prime is 80837969. The next prime is 80838061. The reversal of 80838017 is 71083808.

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

It is a cyclic number.

It is not a de Polignac number, because 80838017 - 214 = 80821633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80838067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484 + ... + 13482.

It is an arithmetic number, because the mean of its divisors is an integer number (10899000).

Almost surely, 280838017 is an apocalyptic number.

It is an amenable number.

80838017 is a deficient number, since it is larger than the sum of its proper divisors (6353983).

80838017 is a wasteful number, since it uses less digits than its factorization.

80838017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 80838017 is about 8990.9964408846. The cubic root of 80838017 is about 432.3862589741.

It can be divided in two parts, 8083801 and 7, that added together give a palindrome (8083808).

The spelling of 80838017 in words is "eighty million, eight hundred thirty-eight thousand, seventeen".

Divisors: 1 13 691 8983 8999 116987 6218309 80838017