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2205141 = 3757971
BaseRepresentation
bin1000011010010111010101
311011000212220
420122113111
51031031031
6115132553
724512661
oct10322725
94130786
102205141
111276834
128a4159
135c2923
144158a1
152d8596
hex21a5d5

2205141 has 8 divisors (see below), whose sum is σ = 2947104. Its totient is φ = 1466640.

The previous prime is 2205139. The next prime is 2205149. The reversal of 2205141 is 1415022.

2205141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2205141 - 21 = 2205139 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2205141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205149) 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 7 ways as a sum of consecutive naturals, for example, 1786 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (368388).

22205141 is an apocalyptic number.

It is an amenable number.

2205141 is a deficient number, since it is larger than the sum of its proper divisors (741963).

2205141 is an equidigital number, since it uses as much as digits as its factorization.

2205141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2205141 is about 1484.9717169024. The cubic root of 2205141 is about 130.1603740658.

It can be divided in two parts, 2205 and 141, that added together give a triangular number (2346 = T68).

The spelling of 2205141 in words is "two million, two hundred five thousand, one hundred forty-one".

Divisors: 1 3 757 971 2271 2913 735047 2205141