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2179144 = 231124763
BaseRepresentation
bin1000010100000001001000
311002201020001
420110001020
51024213034
6114412344
724344122
oct10240110
94081201
102179144
111259250
128910b4
135b3b46
1440a212
152d0a14
hex214048

2179144 has 16 divisors (see below), whose sum is σ = 4457520. Its totient is φ = 990480.

The previous prime is 2179141. The next prime is 2179153. The reversal of 2179144 is 4419712.

2179144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2179141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12294 + ... + 12469.

It is an arithmetic number, because the mean of its divisors is an integer number (278595).

22179144 is an apocalyptic number.

It is an amenable number.

2179144 is an abundant number, since it is smaller than the sum of its proper divisors (2278376).

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

2179144 is a wasteful number, since it uses less digits than its factorization.

2179144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780 (or 24776 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 2179144 is about 1476.1923993843. The cubic root of 2179144 is about 129.6468521859.

The spelling of 2179144 in words is "two million, one hundred seventy-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 24763 49526 99052 198104 272393 544786 1089572 2179144