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2112772 = 221274159
BaseRepresentation
bin1000000011110100000100
310222100011211
420003310010
51020102042
6113141204
723646454
oct10036404
93870154
102112772
1112133a2
1285a804
1358c87c
143cdd64
152bb017
hex203d04

2112772 has 12 divisors (see below), whose sum is σ = 3727360. Its totient is φ = 1047816.

The previous prime is 2112767. The next prime is 2112779. The reversal of 2112772 is 2772112.

It is not an unprimeable number, because it can be changed into a prime (2112779) 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 3 ways as a sum of consecutive naturals, for example, 1572 + ... + 2587.

22112772 is an apocalyptic number.

It is an amenable number.

2112772 is a deficient number, since it is larger than the sum of its proper divisors (1614588).

2112772 is a wasteful number, since it uses less digits than its factorization.

2112772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4288 counting only the distinct ones).

The product of its digits is 392, while the sum is 22.

The square root of 2112772 is about 1453.5377532077. The cubic root of 2112772 is about 128.3170039754.

Adding to 2112772 its reverse (2772112), we get a palindrome (4884884).

The spelling of 2112772 in words is "two million, one hundred twelve thousand, seven hundred seventy-two".

Divisors: 1 2 4 127 254 508 4159 8318 16636 528193 1056386 2112772