Search a number
-
+
2112160 = 25543307
BaseRepresentation
bin1000000011101010100000
310222022100011
420003222200
51020042120
6113134304
723644621
oct10035240
93868304
102112160
111212996
1285a394
1358c4cb
143cda48
152bac5a
hex203aa0

2112160 has 48 divisors (see below), whose sum is σ = 5122656. Its totient is φ = 822528.

The previous prime is 2112151. The next prime is 2112161. The reversal of 2112160 is 612112.

It is a super-2 number, since 2×21121602 = 8922439731200, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112160.

It is not an unprimeable number, because it can be changed into a prime (2112161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6727 + ... + 7033.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

22112160 is an apocalyptic number.

2112160 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 2112160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561328).

2112160 is an abundant number, since it is smaller than the sum of its proper divisors (3010496).

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

2112160 is a wasteful number, since it uses less digits than its factorization.

2112160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2112160 is about 1453.3272171125. The cubic root of 2112160 is about 128.3046130517.

Adding to 2112160 its reverse (612112), we get a palindrome (2724272).

The spelling of 2112160 in words is "two million, one hundred twelve thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 307 344 430 614 688 860 1228 1376 1535 1720 2456 3070 3440 4912 6140 6880 9824 12280 13201 24560 26402 49120 52804 66005 105608 132010 211216 264020 422432 528040 1056080 2112160