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7480013 is a prime number
BaseRepresentation
bin11100100010001011001101
3112002000122112
4130202023031
53403330023
6424153405
7120402422
oct34421315
915060575
107480013
114249932
122608865
13171b858
14dc9d49
159cb478
hex7222cd

7480013 has 2 divisors, whose sum is σ = 7480014. Its totient is φ = 7480012.

The previous prime is 7479971. The next prime is 7480027. The reversal of 7480013 is 3100847.

It is a happy number.

7480013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 499849 = 2642^2 + 707^2 .

It is an emirp because it is prime and its reverse (3100847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7480013 - 212 = 7475917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7480093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740006 + 3740007.

It is an arithmetic number, because the mean of its divisors is an integer number (3740007).

Almost surely, 27480013 is an apocalyptic number.

It is an amenable number.

7480013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7480013 is an equidigital number, since it uses as much as digits as its factorization.

7480013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7480013 is about 2734.9612428698. The cubic root of 7480013 is about 195.5693463477.

The spelling of 7480013 in words is "seven million, four hundred eighty thousand, thirteen".