Search a number
-
+
229944960 = 2733571901
BaseRepresentation
bin11011011010010…
…10111010000000
3121000200102012000
431231022322000
5432331214320
634452304000
75461333320
oct1555127200
9530612160
10229944960
11108886063
1265012000
133884020b
1422779280
15152c1c90
hexdb4ae80

229944960 has 256 divisors, whose sum is σ = 931219200. Its totient is φ = 52531200.

The previous prime is 229944959. The next prime is 229944989. The reversal of 229944960 is 69449922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 120010 + ... + 121910.

It is an arithmetic number, because the mean of its divisors is an integer number (3637575).

Almost surely, 2229944960 is an apocalyptic number.

229944960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229944960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465609600).

229944960 is an abundant number, since it is smaller than the sum of its proper divisors (701274240).

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

229944960 is a wasteful number, since it uses less digits than its factorization.

229944960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 229944960 is about 15163.9361644660. The cubic root of 229944960 is about 612.6436902920.

The spelling of 229944960 in words is "two hundred twenty-nine million, nine hundred forty-four thousand, nine hundred sixty".