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2112185 = 53113627
BaseRepresentation
bin1000000011101010111001
310222022101002
420003222321
51020042220
6113134345
723644655
oct10035271
93868332
102112185
111212a09
1285a3b5
1358c51a
143cda65
152bac75
hex203ab9

2112185 has 8 divisors (see below), whose sum is σ = 2616576. Its totient is φ = 1635120.

The previous prime is 2112169. The next prime is 2112191. The reversal of 2112185 is 5812112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112185 - 24 = 2112169 is a prime.

It is a super-2 number, since 2×21121852 = 8922650948450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6659 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (327072).

22112185 is an apocalyptic number.

It is an amenable number.

2112185 is a deficient number, since it is larger than the sum of its proper divisors (504391).

2112185 is a wasteful number, since it uses less digits than its factorization.

2112185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663.

The product of its digits is 160, while the sum is 20.

The square root of 2112185 is about 1453.3358180407. The cubic root of 2112185 is about 128.3051192638.

Adding to 2112185 its reverse (5812112), we get a palindrome (7924297).

The spelling of 2112185 in words is "two million, one hundred twelve thousand, one hundred eighty-five".

Divisors: 1 5 31 155 13627 68135 422437 2112185