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4239319 = 7605617
BaseRepresentation
bin10000001010111111010111
321222101020211
4100022333113
52041124234
6230510251
751014350
oct20127727
97871224
104239319
112436077
121505387
13b55796
147c4d27
1558b164
hex40afd7

4239319 has 4 divisors (see below), whose sum is σ = 4844944. Its totient is φ = 3633696.

The previous prime is 4239293. The next prime is 4239331. The reversal of 4239319 is 9139324.

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

It is a cyclic number.

It is not a de Polignac number, because 4239319 - 29 = 4238807 is a prime.

It is a super-2 number, since 2×42393192 = 35943651167522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 47 + 221 + 312 + 9 + 313 + 1 + 9 .

It is a Duffinian number.

4239319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239379) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 302802 + ... + 302815.

It is an arithmetic number, because the mean of its divisors is an integer number (1211236).

Almost surely, 24239319 is an apocalyptic number.

4239319 is a deficient number, since it is larger than the sum of its proper divisors (605625).

4239319 is an equidigital number, since it uses as much as digits as its factorization.

4239319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605624.

The product of its digits is 5832, while the sum is 31.

The square root of 4239319 is about 2058.9606601390. The cubic root of 4239319 is about 161.8447809603.

The spelling of 4239319 in words is "four million, two hundred thirty-nine thousand, three hundred nineteen".

Divisors: 1 7 605617 4239319