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2143412 = 223111723
BaseRepresentation
bin1000001011010010110100
311000220012122
420023102310
51022042122
6113535112
724135005
oct10132264
94026178
102143412
111234417
12874498
135a07bb
143db1ac
152c5142
hex20b4b4

2143412 has 12 divisors (see below), whose sum is σ = 3765216. Its totient is φ = 1067640.

The previous prime is 2143391. The next prime is 2143417.

2143412 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143417) 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, 383 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (313768).

22143412 is an apocalyptic number.

It is an amenable number.

2143412 is a deficient number, since it is larger than the sum of its proper divisors (1621804).

2143412 is a wasteful number, since it uses less digits than its factorization.

2143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2036 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 2143412 is about 1464.0396169503. The cubic root of 2143412 is about 128.9343254832.

The spelling of 2143412 in words is "two million, one hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 311 622 1244 1723 3446 6892 535853 1071706 2143412