Search a number
-
+
7205413 = 20113583
BaseRepresentation
bin11011011111001000100101
3111120001222011
4123133020211
53321033123
6414234221
7115150015
oct33371045
914501864
107205413
114081596
1224b5971
131653877
14d57c45
15974e0d
hex6df225

7205413 has 4 divisors (see below), whose sum is σ = 7211008. Its totient is φ = 7199820.

The previous prime is 7205383. The next prime is 7205437. The reversal of 7205413 is 3145027.

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 7205413 - 213 = 7197221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205483) 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, 220 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (1802752).

Almost surely, 27205413 is an apocalyptic number.

It is an amenable number.

7205413 is a deficient number, since it is larger than the sum of its proper divisors (5595).

7205413 is a wasteful number, since it uses less digits than its factorization.

7205413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7205413 is about 2684.2900364901. The cubic root of 7205413 is about 193.1462554849.

The spelling of 7205413 in words is "seven million, two hundred five thousand, four hundred thirteen".

Divisors: 1 2011 3583 7205413