Search a number
-
+
210012384 = 2532187629
BaseRepresentation
bin11001000010010…
…00100011100000
3112122011201211110
430201020203200
5412230344014
632501143320
75130035001
oct1441104340
9478151743
10210012384
11a860145a
125a3bab40
13346816aa
141dc6b1a8
1513685d59
hexc8488e0

210012384 has 24 divisors (see below), whose sum is σ = 551282760. Its totient is φ = 70004096.

The previous prime is 210012323. The next prime is 210012389. The reversal of 210012384 is 483210012.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 210012384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093719 + ... + 1093910.

It is an arithmetic number, because the mean of its divisors is an integer number (22970115).

Almost surely, 2210012384 is an apocalyptic number.

210012384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210012384 is an abundant number, since it is smaller than the sum of its proper divisors (341270376).

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

210012384 is a wasteful number, since it uses less digits than its factorization.

210012384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187642 (or 2187634 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 210012384 is about 14491.8040284845. The cubic root of 210012384 is about 594.4038790989.

Adding to 210012384 its reverse (483210012), we get a palindrome (693222396).

It can be divided in two parts, 210012 and 384, that multiplied together give a palindrome (80644608).

The spelling of 210012384 in words is "two hundred ten million, twelve thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2187629 4375258 6562887 8750516 13125774 17501032 26251548 35002064 52503096 70004128 105006192 210012384