Search a number
-
+
305271373 = 11199139457
BaseRepresentation
bin10010001100100…
…001001001001101
3210021102101121011
4102030201021031
51111122140443
650143005221
710364523001
oct2214411115
9707371534
10305271373
111473549a0
1286299811
134b325264
142c786701
151bc00b9d
hex1232124d

305271373 has 8 divisors (see below), whose sum is σ = 334699200. Its totient is φ = 276122880.

The previous prime is 305271367. The next prime is 305271377. The reversal of 305271373 is 373172503.

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

It is not a de Polignac number, because 305271373 - 213 = 305263181 is a prime.

It is a super-3 number, since 3×3052713733 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305271377) 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, 67540 + ... + 71917.

It is an arithmetic number, because the mean of its divisors is an integer number (41837400).

Almost surely, 2305271373 is an apocalyptic number.

It is an amenable number.

305271373 is a deficient number, since it is larger than the sum of its proper divisors (29427827).

305271373 is a wasteful number, since it uses less digits than its factorization.

305271373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139667.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 305271373 is about 17472.0168555322. The cubic root of 305271373 is about 673.3311295934.

The spelling of 305271373 in words is "three hundred five million, two hundred seventy-one thousand, three hundred seventy-three".

Divisors: 1 11 199 2189 139457 1534027 27751943 305271373