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2198941 = 7130971
BaseRepresentation
bin1000011000110110011101
311010201101021
420120312131
51030331231
6115044141
724455623
oct10306635
94121337
102198941
111272108
128a0651
135bcb64
14413513
152d6811
hex218d9d

2198941 has 4 divisors (see below), whose sum is σ = 2229984. Its totient is φ = 2167900.

The previous prime is 2198909. The next prime is 2198981. The reversal of 2198941 is 1498912.

2198941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2198941 - 25 = 2198909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2198897 and 2198906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15415 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (557496).

22198941 is an apocalyptic number.

It is an amenable number.

2198941 is a deficient number, since it is larger than the sum of its proper divisors (31043).

2198941 is an equidigital number, since it uses as much as digits as its factorization.

2198941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31042.

The product of its digits is 5184, while the sum is 34.

The square root of 2198941 is about 1482.8826656213. The cubic root of 2198941 is about 130.0382727548.

The spelling of 2198941 in words is "two million, one hundred ninety-eight thousand, nine hundred forty-one".

Divisors: 1 71 30971 2198941