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4274839 = 7160209
BaseRepresentation
bin10000010011101010010111
322001011222101
4100103222113
52043243324
6231342531
751223042
oct20235227
98034871
104274839
11245a828
121521a47
13b689ba
147d3c59
15596944
hex413a97

4274839 has 4 divisors (see below), whose sum is σ = 4335120. Its totient is φ = 4214560.

The previous prime is 4274833. The next prime is 4274843. The reversal of 4274839 is 9384724.

It is a happy number.

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

It is not a de Polignac number, because 4274839 - 221 = 2177687 is a prime.

It is a d-powerful number, because it can be written as 47 + 2 + 74 + 411 + 83 + 37 + 95 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4274798 and 4274807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4274833) 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, 30034 + ... + 30175.

It is an arithmetic number, because the mean of its divisors is an integer number (1083780).

Almost surely, 24274839 is an apocalyptic number.

4274839 is a deficient number, since it is larger than the sum of its proper divisors (60281).

4274839 is an equidigital number, since it uses as much as digits as its factorization.

4274839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60280.

The product of its digits is 48384, while the sum is 37.

The square root of 4274839 is about 2067.5683785549. The cubic root of 4274839 is about 162.2955408830.

The spelling of 4274839 in words is "four million, two hundred seventy-four thousand, eight hundred thirty-nine".

Divisors: 1 71 60209 4274839