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8083081 = 67223541
BaseRepresentation
bin11110110101011010001001
3120012122220101
4132311122021
54032124311
6445125401
7125463556
oct36653211
916178811
108083081
114620a36
122859861
1318a01b6
141105a2d
15a99ec1
hex7b5689

8083081 has 8 divisors (see below), whose sum is σ = 8255744. Its totient is φ = 7912080.

The previous prime is 8083073. The next prime is 8083087. The reversal of 8083081 is 1803808.

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 8083081 - 23 = 8083073 is a prime.

It is a super-2 number, since 2×80830812 = 130672396905122, which contains 22 as substring.

It is a Duffinian number.

8083081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8083087) 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, 14671 + ... + 15211.

It is an arithmetic number, because the mean of its divisors is an integer number (1031968).

Almost surely, 28083081 is an apocalyptic number.

It is an amenable number.

8083081 is a deficient number, since it is larger than the sum of its proper divisors (172663).

8083081 is a wasteful number, since it uses less digits than its factorization.

8083081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 8083081 is about 2843.0759750664. The cubic root of 8083081 is about 200.6899587144.

Adding to 8083081 its reverse (1803808), we get a palindrome (9886889).

The spelling of 8083081 in words is "eight million, eighty-three thousand, eighty-one".

Divisors: 1 67 223 541 14941 36247 120643 8083081