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2194285 = 52937409
BaseRepresentation
bin1000010111101101101101
311010110222211
420113231231
51030204120
6115010421
724436222
oct10275555
94113884
102194285
111269665
12899a11
135ba9c2
14411949
152d525a
hex217b6d

2194285 has 16 divisors (see below), whose sum is σ = 2804400. Its totient is φ = 1645056.

The previous prime is 2194267. The next prime is 2194301. The reversal of 2194285 is 5824912.

It can be written as a sum of positive squares in 8 ways, for example, as 352836 + 1841449 = 594^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194285 - 217 = 2063213 is a prime.

It is a super-2 number, since 2×21942852 = 9629773322450, which contains 22 as substring.

Its product of digits (5760) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5161 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (175275).

22194285 is an apocalyptic number.

It is an amenable number.

2194285 is a deficient number, since it is larger than the sum of its proper divisors (610115).

2194285 is a wasteful number, since it uses less digits than its factorization.

2194285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 5760, while the sum is 31.

The square root of 2194285 is about 1481.3119185371. The cubic root of 2194285 is about 129.9464276303.

The spelling of 2194285 in words is "two million, one hundred ninety-four thousand, two hundred eighty-five".

Divisors: 1 5 29 37 145 185 409 1073 2045 5365 11861 15133 59305 75665 438857 2194285