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7012081 = 47914639
BaseRepresentation
bin11010101111111011110001
3111012020202201
4122233323301
53243341311
6410143201
7113413246
oct32577361
914166681
107012081
113a5a30a
122421b01
1315b687b
14d075cd
159379c1
hex6afef1

7012081 has 4 divisors (see below), whose sum is σ = 7027200. Its totient is φ = 6996964.

The previous prime is 7012069. The next prime is 7012099. The reversal of 7012081 is 1802107.

7012081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7012081 - 211 = 7010033 is a prime.

It is a super-2 number, since 2×70120812 = 98338559901122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7012001) 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, 6841 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (1756800).

Almost surely, 27012081 is an apocalyptic number.

It is an amenable number.

7012081 is a deficient number, since it is larger than the sum of its proper divisors (15119).

7012081 is a wasteful number, since it uses less digits than its factorization.

7012081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15118.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 7012081 is about 2648.0334212392. The cubic root of 7012081 is about 191.4031032269.

Adding to 7012081 its reverse (1802107), we get a palindrome (8814188).

The spelling of 7012081 in words is "seven million, twelve thousand, eighty-one".

Divisors: 1 479 14639 7012081