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2120112 = 243214723
BaseRepresentation
bin1000000101100110110000
310222201020200
420011212300
51020320422
6113235200
724010041
oct10054660
93881220
102120112
111218965
12862b00
13593007
143d28c8
152bd2ac
hex2059b0

2120112 has 30 divisors (see below), whose sum is σ = 5933772. Its totient is φ = 706656.

The previous prime is 2120101. The next prime is 2120113. The reversal of 2120112 is 2110212.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2120094 and 2120103.

It is not an unprimeable number, because it can be changed into a prime (2120113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7218 + ... + 7505.

22120112 is an apocalyptic number.

It is an amenable number.

2120112 is an abundant number, since it is smaller than the sum of its proper divisors (3813660).

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

2120112 is a wasteful number, since it uses less digits than its factorization.

2120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14737 (or 14728 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2120112 is about 1456.0604383060. The cubic root of 2120112 is about 128.4654279758.

Adding to 2120112 its reverse (2110212), we get a palindrome (4230324).

The spelling of 2120112 in words is "two million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 14723 29446 44169 58892 88338 117784 132507 176676 235568 265014 353352 530028 706704 1060056 2120112