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2144156 = 227731049
BaseRepresentation
bin1000001011011110011100
311000221020012
420023132130
51022103111
6113542352
724140120
oct10133634
94027205
102144156
111234a33
128749b8
135a0c41
143db580
152c548b
hex20b79c

2144156 has 24 divisors (see below), whose sum is σ = 4351200. Its totient is φ = 905472.

The previous prime is 2144143. The next prime is 2144161. The reversal of 2144156 is 6514412.

2144156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1520 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (181300).

22144156 is an apocalyptic number.

It is an amenable number.

2144156 is an abundant number, since it is smaller than the sum of its proper divisors (2207044).

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

2144156 is a wasteful number, since it uses less digits than its factorization.

2144156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1131 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2144156 is about 1464.2936863894. The cubic root of 2144156 is about 128.9492418939.

Adding to 2144156 its reverse (6514412), we get a palindrome (8658568).

The spelling of 2144156 in words is "two million, one hundred forty-four thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 1049 2044 2098 4196 7343 14686 29372 76577 153154 306308 536039 1072078 2144156