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8062081 = 20873863
BaseRepresentation
bin11110110000010010000001
3120011121002121
4132300102001
54030441311
6444444241
7125345416
oct36602201
916147077
108062081
114607185
122849681
131893781
1410dc10d
15a93b71
hex7b0481

8062081 has 4 divisors (see below), whose sum is σ = 8068032. Its totient is φ = 8056132.

The previous prime is 8062079. The next prime is 8062091. The reversal of 8062081 is 1802608.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8062081 - 21 = 8062079 is a prime.

It is a super-2 number, since 2×80620812 = 129994300101122, which contains 22 as substring.

It is a Duffinian number.

8062081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8062001) 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, 156 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (2017008).

Almost surely, 28062081 is an apocalyptic number.

It is an amenable number.

8062081 is a deficient number, since it is larger than the sum of its proper divisors (5951).

8062081 is a wasteful number, since it uses less digits than its factorization.

8062081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8062081 is about 2839.3803901556. The cubic root of 8062081 is about 200.5160091943.

Adding to 8062081 its reverse (1802608), we get a palindrome (9864689).

The spelling of 8062081 in words is "eight million, sixty-two thousand, eighty-one".

Divisors: 1 2087 3863 8062081