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2143006 = 23972699
BaseRepresentation
bin1000001011001100011110
311000212122121
420023030132
51022034011
6113533154
724133555
oct10131436
94025577
102143006
111234088
128741ba
135a0568
143dad9c
152c4e71
hex20b31e

2143006 has 8 divisors (see below), whose sum is σ = 3223800. Its totient is φ = 1068408.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2143006 is 6003412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (402975).

22143006 is an apocalyptic number.

2143006 is a deficient number, since it is larger than the sum of its proper divisors (1080794).

2143006 is a wasteful number, since it uses less digits than its factorization.

2143006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2143006 is about 1463.9009529336. The cubic root of 2143006 is about 128.9261841581.

Adding to 2143006 its reverse (6003412), we get a palindrome (8146418).

The spelling of 2143006 in words is "two million, one hundred forty-three thousand, six".

Divisors: 1 2 397 794 2699 5398 1071503 2143006