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2112799 = 13162523
BaseRepresentation
bin1000000011110100011111
310222100012211
420003310133
51020102144
6113141251
723646523
oct10036437
93870184
102112799
111213417
1285a827
1358c8a0
143cdd83
152bb034
hex203d1f

2112799 has 4 divisors (see below), whose sum is σ = 2275336. Its totient is φ = 1950264.

The previous prime is 2112793. The next prime is 2112821. The reversal of 2112799 is 9972112.

2112799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112799 - 25 = 2112767 is a prime.

It is a super-2 number, since 2×21127992 = 8927839228802, which contains 22 as substring.

It is a Duffinian number.

2112799 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112793) 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 3 ways as a sum of consecutive naturals, for example, 81249 + ... + 81274.

It is an arithmetic number, because the mean of its divisors is an integer number (568834).

22112799 is an apocalyptic number.

2112799 is a deficient number, since it is larger than the sum of its proper divisors (162537).

2112799 is a wasteful number, since it uses less digits than its factorization.

2112799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162536.

The product of its digits is 2268, while the sum is 31.

The square root of 2112799 is about 1453.5470408625. The cubic root of 2112799 is about 128.3175505787.

The spelling of 2112799 in words is "two million, one hundred twelve thousand, seven hundred ninety-nine".

Divisors: 1 13 162523 2112799