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7145013 = 39412531
BaseRepresentation
bin11011010000011000110101
3111110000010010
4123100120311
53312120023
6413050433
7114505641
oct33203065
914400103
107145013
114040177
122486a19
131632225
14d3dc21
15962093
hex6d0635

7145013 has 8 divisors (see below), whose sum is σ = 9540576. Its totient is φ = 4756400.

The previous prime is 7145011. The next prime is 7145041. The reversal of 7145013 is 3105417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7145013 - 21 = 7145011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145011) 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 7 ways as a sum of consecutive naturals, for example, 1558 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (1192572).

Almost surely, 27145013 is an apocalyptic number.

It is an amenable number.

7145013 is a deficient number, since it is larger than the sum of its proper divisors (2395563).

7145013 is a wasteful number, since it uses less digits than its factorization.

7145013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 7145013 is about 2673.0157126362. The cubic root of 7145013 is about 192.6050520096.

The spelling of 7145013 in words is "seven million, one hundred forty-five thousand, thirteen".

Divisors: 1 3 941 2531 2823 7593 2381671 7145013