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2143032 = 23389293
BaseRepresentation
bin1000001011001100111000
311000212200120
420023030320
51022034112
6113533240
724133623
oct10131470
94025616
102143032
111234101
12874220
135a0588
143dadba
152c4e8c
hex20b338

2143032 has 16 divisors (see below), whose sum is σ = 5357640. Its totient is φ = 714336.

The previous prime is 2143027. The next prime is 2143039. The reversal of 2143032 is 2303412.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44623 + ... + 44670.

22143032 is an apocalyptic number.

It is an amenable number.

2143032 is an abundant number, since it is smaller than the sum of its proper divisors (3214608).

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

2143032 is a wasteful number, since it uses less digits than its factorization.

2143032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89302 (or 89298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2143032 is about 1463.9098332889. The cubic root of 2143032 is about 128.9267055546.

Adding to 2143032 its reverse (2303412), we get a palindrome (4446444).

The spelling of 2143032 in words is "two million, one hundred forty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 89293 178586 267879 357172 535758 714344 1071516 2143032