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2143298 = 28912041
BaseRepresentation
bin1000001011010001000010
311000220001102
420023101002
51022041143
6113534402
724134453
oct10132102
94026042
102143298
111234323
12874402
135a0731
143db12a
152c50b8
hex20b442

2143298 has 8 divisors (see below), whose sum is σ = 3251340. Its totient is φ = 1059520.

The previous prime is 2143279. The next prime is 2143313. The reversal of 2143298 is 8923412.

2143298 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 2122849 + 20449 = 1457^2 + 143^2 .

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 2143298.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843 + ... + 6198.

22143298 is an apocalyptic number.

2143298 is a deficient number, since it is larger than the sum of its proper divisors (1108042).

2143298 is a wasteful number, since it uses less digits than its factorization.

2143298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12132.

The product of its digits is 3456, while the sum is 29.

The square root of 2143298 is about 1464.0006830599. Note that the first 3 decimals coincide. The cubic root of 2143298 is about 128.9320395992.

The spelling of 2143298 in words is "two million, one hundred forty-three thousand, two hundred ninety-eight".

Divisors: 1 2 89 178 12041 24082 1071649 2143298