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4284039 = 31428013
BaseRepresentation
bin10000010101111010000111
322001122121010
4100111322013
52044042124
6231453303
751261624
oct20257207
98048533
104284039
112466731
121527233
13b6cc46
147d734b
15599529
hex415e87

4284039 has 4 divisors (see below), whose sum is σ = 5712056. Its totient is φ = 2856024.

The previous prime is 4284037. The next prime is 4284041. The reversal of 4284039 is 9304824.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4284037) and next prime (4284041).

It is not a de Polignac number, because 4284039 - 21 = 4284037 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4283997 and 4284015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4284037) 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, 714004 + ... + 714009.

It is an arithmetic number, because the mean of its divisors is an integer number (1428014).

Almost surely, 24284039 is an apocalyptic number.

4284039 is a deficient number, since it is larger than the sum of its proper divisors (1428017).

4284039 is a wasteful number, since it uses less digits than its factorization.

4284039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428016.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4284039 is about 2069.7920185371. The cubic root of 4284039 is about 162.4118843778.

The spelling of 4284039 in words is "four million, two hundred eighty-four thousand, thirty-nine".

Divisors: 1 3 1428013 4284039