Search a number
-
+
305332868 = 22471624111
BaseRepresentation
bin10010001100110…
…000001010000100
3210021112111221202
4102030300022010
51111131122433
650144202032
710365200201
oct2214601204
9707474852
10305332868
11147397115
1286309318
134b347249
142c7a0ca8
151bc13ee8
hex12330284

305332868 has 12 divisors (see below), whose sum is σ = 545701632. Its totient is φ = 149418120.

The previous prime is 305332849. The next prime is 305332913. The reversal of 305332868 is 868233503.

It is a super-2 number, since 2×3053328682 = 186456320562210848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811868 + ... + 812243.

It is an arithmetic number, because the mean of its divisors is an integer number (45475136).

Almost surely, 2305332868 is an apocalyptic number.

It is an amenable number.

305332868 is a deficient number, since it is larger than the sum of its proper divisors (240368764).

305332868 is a wasteful number, since it uses less digits than its factorization.

305332868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624162 (or 1624160 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 305332868 is about 17473.7765809226. The cubic root of 305332868 is about 673.3763393329.

The spelling of 305332868 in words is "three hundred five million, three hundred thirty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 47 94 188 1624111 3248222 6496444 76333217 152666434 305332868