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305113323 = 3630116141
BaseRepresentation
bin10010001011111…
…010100011101011
3210021010100210110
4102023322203223
51111102111243
650135345403
710363264134
oct2213724353
9707110713
10305113323
11147257179
1286222263
134b29b338
142c744c8b
151bbbde33
hex122fa8eb

305113323 has 8 divisors (see below), whose sum is σ = 406907536. Its totient is φ = 203364000.

The previous prime is 305113313. The next prime is 305113327. The reversal of 305113323 is 323311503.

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

It is not a de Polignac number, because 305113323 - 24 = 305113307 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 305113323.

It is not an unprimeable number, because it can be changed into a prime (305113327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10833 + ... + 26973.

It is an arithmetic number, because the mean of its divisors is an integer number (50863442).

Almost surely, 2305113323 is an apocalyptic number.

305113323 is a deficient number, since it is larger than the sum of its proper divisors (101794213).

305113323 is a wasteful number, since it uses less digits than its factorization.

305113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22445.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 305113323 is about 17467.4933233135. The cubic root of 305113323 is about 673.2149069299.

Adding to 305113323 its reverse (323311503), we get a palindrome (628424826).

The spelling of 305113323 in words is "three hundred five million, one hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 3 6301 16141 18903 48423 101704441 305113323