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7041481 = 14894729
BaseRepresentation
bin11010110111000111001001
3111020202002121
4122313013021
53300311411
6410531241
7113565046
oct32670711
914222077
107041481
113a7a407
122436b21
1315c7075
14d141cd
15941571
hex6b71c9

7041481 has 4 divisors (see below), whose sum is σ = 7047700. Its totient is φ = 7035264.

The previous prime is 7041479. The next prime is 7041487. The reversal of 7041481 is 1841407.

7041481 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1841407 = 6130187.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 6375625 = 816^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 7041481 - 21 = 7041479 is a prime.

It is a super-2 number, since 2×70414812 = 99164909346722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7041487) 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 3 ways as a sum of consecutive naturals, for example, 876 + ... + 3853.

It is an arithmetic number, because the mean of its divisors is an integer number (1761925).

Almost surely, 27041481 is an apocalyptic number.

It is an amenable number.

7041481 is a deficient number, since it is larger than the sum of its proper divisors (6219).

7041481 is a wasteful number, since it uses less digits than its factorization.

7041481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 7041481 is about 2653.5789040464. The cubic root of 7041481 is about 191.6702329099.

Adding to 7041481 its reverse (1841407), we get a palindrome (8882888).

The spelling of 7041481 in words is "seven million, forty-one thousand, four hundred eighty-one".

Divisors: 1 1489 4729 7041481