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6998243 = 7999749
BaseRepresentation
bin11010101100100011100011
3111011112210012
4122230203203
53242420433
6405555135
7113325020
oct32544343
914145705
106998243
113a4a97a
122415aab
1315b0495
14d02547
15933848
hex6ac8e3

6998243 has 4 divisors (see below), whose sum is σ = 7998000. Its totient is φ = 5998488.

The previous prime is 6998221. The next prime is 6998261. The reversal of 6998243 is 3428996.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6998243 - 214 = 6981859 is a prime.

It is a d-powerful number, because it can be written as 6 + 95 + 95 + 87 + 2 + 42 + 314 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6998243.

It is not an unprimeable number, because it can be changed into a prime (6958243) 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, 499868 + ... + 499881.

It is an arithmetic number, because the mean of its divisors is an integer number (1999500).

Almost surely, 26998243 is an apocalyptic number.

6998243 is a deficient number, since it is larger than the sum of its proper divisors (999757).

6998243 is an equidigital number, since it uses as much as digits as its factorization.

6998243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999756.

The product of its digits is 93312, while the sum is 41.

The square root of 6998243 is about 2645.4192484368. The cubic root of 6998243 is about 191.2771120804.

The spelling of 6998243 in words is "six million, nine hundred ninety-eight thousand, two hundred forty-three".

Divisors: 1 7 999749 6998243