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2143044 = 223319843
BaseRepresentation
bin1000001011001101000100
311000212201000
420023031010
51022034134
6113533300
724133641
oct10131504
94025630
102143044
111234112
12874230
135a0597
143dadc8
152c4e99
hex20b344

2143044 has 24 divisors (see below), whose sum is σ = 5556320. Its totient is φ = 714312.

The previous prime is 2143039. The next prime is 2143051. The reversal of 2143044 is 4403412.

2143044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9814 + ... + 10029.

22143044 is an apocalyptic number.

It is an amenable number.

2143044 is an abundant number, since it is smaller than the sum of its proper divisors (3413276).

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

2143044 is a wasteful number, since it uses less digits than its factorization.

2143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856 (or 19848 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2143044 is about 1463.9139318963. The cubic root of 2143044 is about 128.9269461977.

Adding to 2143044 its reverse (4403412), we get a palindrome (6546456).

The spelling of 2143044 in words is "two million, one hundred forty-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 19843 39686 59529 79372 119058 178587 238116 357174 535761 714348 1071522 2143044