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7056041 = 37318917
BaseRepresentation
bin11010111010101010101001
3111021111001212
4122322222221
53301243131
6411122505
7113655356
oct32725251
914244055
107056041
113a8a343
122443435
131600895
14d1962d
15945a2b
hex6baaa9

7056041 has 4 divisors (see below), whose sum is σ = 7075332. Its totient is φ = 7036752.

The previous prime is 7056031. The next prime is 7056061. The reversal of 7056041 is 1406507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1406507 = 8231709.

It can be written as a sum of positive squares in 2 ways, for example, as 4818025 + 2238016 = 2195^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 7056041 - 222 = 2861737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7055998 and 7056016.

It is not an unprimeable number, because it can be changed into a prime (7056031) 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, 9086 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (1768833).

Almost surely, 27056041 is an apocalyptic number.

It is an amenable number.

7056041 is a deficient number, since it is larger than the sum of its proper divisors (19291).

7056041 is a wasteful number, since it uses less digits than its factorization.

7056041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19290.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7056041 is about 2656.3209519936. The cubic root of 7056041 is about 191.8022504641.

The spelling of 7056041 in words is "seven million, fifty-six thousand, forty-one".

Divisors: 1 373 18917 7056041