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4284205 = 5856841
BaseRepresentation
bin10000010101111100101101
322001122211021
4100111330231
52044043310
6231454141
751262252
oct20257455
98048737
104284205
112466872
121527351
13b70043
147d7429
155995da
hex415f2d

4284205 has 4 divisors (see below), whose sum is σ = 5141052. Its totient is φ = 3427360.

The previous prime is 4284157. The next prime is 4284209. The reversal of 4284205 is 5024824.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 3164841 = 1058^2 + 1779^2 .

It is not a de Polignac number, because 4284205 - 29 = 4283693 is a prime.

It is a d-powerful number, because it can be written as 45 + 211 + 83 + 411 + 213 + 0 + 57 .

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 4284205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4284209) 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, 428416 + ... + 428425.

It is an arithmetic number, because the mean of its divisors is an integer number (1285263).

Almost surely, 24284205 is an apocalyptic number.

It is an amenable number.

4284205 is a deficient number, since it is larger than the sum of its proper divisors (856847).

4284205 is an equidigital number, since it uses as much as digits as its factorization.

4284205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856846.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4284205 is about 2069.8321187961. The cubic root of 4284205 is about 162.4139820886.

It can be divided in two parts, 4284 and 205, that added together give a square (4489 = 672).

The spelling of 4284205 in words is "four million, two hundred eighty-four thousand, two hundred five".

Divisors: 1 5 856841 4284205