Search a number
-
+
305377223 = 6714233203
BaseRepresentation
bin10010001100111…
…010111111000111
3210021121202210112
4102030322333013
51111134032343
650145143235
710365443414
oct2214727707
9707552715
10305377223
11147417478
128632ab1b
134b3614a8
142c7b310b
151bc22218
hex1233afc7

305377223 has 8 divisors (see below), whose sum is σ = 310249728. Its totient is φ = 300514104.

The previous prime is 305377217. The next prime is 305377229. The reversal of 305377223 is 322773503.

It is an interprime number because it is at equal distance from previous prime (305377217) and next prime (305377229).

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 305377223 - 26 = 305377159 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 305377223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305377229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93740 + ... + 96942.

It is an arithmetic number, because the mean of its divisors is an integer number (38781216).

Almost surely, 2305377223 is an apocalyptic number.

305377223 is a deficient number, since it is larger than the sum of its proper divisors (4872505).

305377223 is a wasteful number, since it uses less digits than its factorization.

305377223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 305377223 is about 17475.0457224008. The cubic root of 305377223 is about 673.4089443623.

The spelling of 305377223 in words is "three hundred five million, three hundred seventy-seven thousand, two hundred twenty-three".

Divisors: 1 67 1423 3203 95341 214601 4557869 305377223