Search a number
-
+
312805050 = 23522085367
BaseRepresentation
bin10010101001010…
…000011010111010
3210210121010212020
4102221100122322
51120034230200
651012255310
710515541035
oct2251203272
9723533766
10312805050
11150630078
1288911536
134ca6235c
142d78801c
151c6dcea0
hex12a506ba

312805050 has 24 divisors (see below), whose sum is σ = 775756896. Its totient is φ = 83414640.

The previous prime is 312805043. The next prime is 312805057. The reversal of 312805050 is 50508213.

312805050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (312805043) and next prime (312805057).

It is a self number, because there is not a number n which added to its sum of digits gives 312805050.

It is not an unprimeable number, because it can be changed into a prime (312805057) 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 11 ways as a sum of consecutive naturals, for example, 1042534 + ... + 1042833.

It is an arithmetic number, because the mean of its divisors is an integer number (32323204).

Almost surely, 2312805050 is an apocalyptic number.

312805050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312805050 is an abundant number, since it is smaller than the sum of its proper divisors (462951846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312805050 is a wasteful number, since it uses less digits than its factorization.

312805050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085382 (or 2085377 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 312805050 is about 17686.2955420291. The cubic root of 312805050 is about 678.8251411645.

The spelling of 312805050 in words is "three hundred twelve million, eight hundred five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 2085367 4170734 6256101 10426835 12512202 20853670 31280505 52134175 62561010 104268350 156402525 312805050