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7041313 = 22731019
BaseRepresentation
bin11010110111000100100001
3111020201212101
4122313010201
53300310223
6410530401
7113564416
oct32670441
914221771
107041313
113a7a274
122436a01
1315c6c76
14d1410d
159414ad
hex6b7121

7041313 has 4 divisors (see below), whose sum is σ = 7072560. Its totient is φ = 7010068.

The previous prime is 7041311. The next prime is 7041317. The reversal of 7041313 is 3131407.

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 an emirpimes, since its reverse is a distinct semiprime: 3131407 = 10213067.

It is a cyclic number.

It is not a de Polignac number, because 7041313 - 21 = 7041311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7041311) 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 in 3 ways as a sum of consecutive naturals, for example, 15283 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (1768140).

Almost surely, 27041313 is an apocalyptic number.

It is an amenable number.

7041313 is a deficient number, since it is larger than the sum of its proper divisors (31247).

7041313 is a wasteful number, since it uses less digits than its factorization.

7041313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31246.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 7041313 is about 2653.5472484959. The cubic root of 7041313 is about 191.6687085689.

The spelling of 7041313 in words is "seven million, forty-one thousand, three hundred thirteen".

Divisors: 1 227 31019 7041313