Search a number
-
+
210030112 = 25231392053
BaseRepresentation
bin11001000010011…
…00111000100000
3112122012122011001
430201030320200
5412231430422
632501401344
75130140455
oct1441147040
9478178131
10210030112
11a8613806
125a409254
1334689796
141dc7382c
151368b227
hexc84ce20

210030112 has 48 divisors (see below), whose sum is σ = 434790720. Its totient is φ = 99677952.

The previous prime is 210030109. The next prime is 210030113. The reversal of 210030112 is 211030012.

It is a super-2 number, since 2×2100301122 = 88225295893465088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210030113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101278 + ... + 103330.

It is an arithmetic number, because the mean of its divisors is an integer number (9058140).

Almost surely, 2210030112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210030112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217395360).

210030112 is an abundant number, since it is smaller than the sum of its proper divisors (224760608).

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

210030112 is a wasteful number, since it uses less digits than its factorization.

210030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 210030112 is about 14492.4156716539. The cubic root of 210030112 is about 594.4206039785.

Adding to 210030112 its reverse (211030012), we get a palindrome (421060124).

The spelling of 210030112 in words is "two hundred ten million, thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 92 139 184 278 368 556 736 1112 2053 2224 3197 4106 4448 6394 8212 12788 16424 25576 32848 47219 51152 65696 94438 102304 188876 285367 377752 570734 755504 1141468 1511008 2282936 4565872 6563441 9131744 13126882 26253764 52507528 105015056 210030112