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305335013 = 6715729027
BaseRepresentation
bin10010001100110…
…000101011100101
3210021112121220012
4102030300223211
51111131210023
650144220005
710365206354
oct2214605345
9707477805
10305335013
11147398795
128630a605
134b348209
142c7a199b
151bc14978
hex12330ae5

305335013 has 8 divisors (see below), whose sum is σ = 311876832. Its totient is φ = 298851696.

The previous prime is 305335001. The next prime is 305335021. The reversal of 305335013 is 310533503.

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 305335013 - 26 = 305334949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 305335013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305335313) 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 7 ways as a sum of consecutive naturals, for example, 3995 + ... + 25032.

It is an arithmetic number, because the mean of its divisors is an integer number (38984604).

Almost surely, 2305335013 is an apocalyptic number.

It is an amenable number.

305335013 is a deficient number, since it is larger than the sum of its proper divisors (6541819).

305335013 is a wasteful number, since it uses less digits than its factorization.

305335013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29251.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 305335013 is about 17473.8379585024. The cubic root of 305335013 is about 673.3779161790.

Adding to 305335013 its reverse (310533503), we get a palindrome (615868516).

The spelling of 305335013 in words is "three hundred five million, three hundred thirty-five thousand, thirteen".

Divisors: 1 67 157 10519 29027 1944809 4557239 305335013