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2113212 = 223229769
BaseRepresentation
bin1000000011111010111100
310222100210010
420003322330
51020110322
6113143220
723650653
oct10037274
93870703
102113212
111213762
1285ab10
1358cb2a
143d019a
152bb20c
hex203ebc

2113212 has 24 divisors (see below), whose sum is σ = 4958800. Its totient is φ = 700416.

The previous prime is 2113211. The next prime is 2113229. The reversal of 2113212 is 2123112.

2113212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364 + ... + 3132.

22113212 is an apocalyptic number.

It is an amenable number.

2113212 is an abundant number, since it is smaller than the sum of its proper divisors (2845588).

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

2113212 is a wasteful number, since it uses less digits than its factorization.

2113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1003 counting only the distinct ones).

The product of its digits is 24, while the sum is 12.

The square root of 2113212 is about 1453.6891001861. The cubic root of 2113212 is about 128.3259110042.

Adding to 2113212 its reverse (2123112), we get a palindrome (4236324).

The spelling of 2113212 in words is "two million, one hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 229 458 687 769 916 1374 1538 2307 2748 3076 4614 9228 176101 352202 528303 704404 1056606 2113212