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2198593 = 17235623
BaseRepresentation
bin1000011000110001000001
311010200220101
420120301001
51030323333
6115042401
724454615
oct10306101
94120811
102198593
111271921
128a0401
135bc957
14413345
152d667d
hex218c41

2198593 has 8 divisors (see below), whose sum is σ = 2429568. Its totient is φ = 1978944.

The previous prime is 2198591. The next prime is 2198597. The reversal of 2198593 is 3958912.

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

It is a cyclic number.

It is not a de Polignac number, because 2198593 - 21 = 2198591 is a prime.

It is a super-2 number, since 2×21985932 = 9667622359298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 3202.

It is an arithmetic number, because the mean of its divisors is an integer number (303696).

22198593 is an apocalyptic number.

2198593 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2198593 is a deficient number, since it is larger than the sum of its proper divisors (230975).

2198593 is a wasteful number, since it uses less digits than its factorization.

2198593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663.

The product of its digits is 19440, while the sum is 37.

The square root of 2198593 is about 1482.7653219576. The cubic root of 2198593 is about 130.0314125274.

The spelling of 2198593 in words is "two million, one hundred ninety-eight thousand, five hundred ninety-three".

Divisors: 1 17 23 391 5623 95591 129329 2198593