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4339381 = 5038627
BaseRepresentation
bin10000100011011010110101
322011110111211
4100203122311
52102330011
6233001421
751612154
oct20433265
98143454
104339381
1124a4272
121553271
13b8c1a7
1480d59b
155aab21
hex4236b5

4339381 has 4 divisors (see below), whose sum is σ = 4348512. Its totient is φ = 4330252.

The previous prime is 4339367. The next prime is 4339421. The reversal of 4339381 is 1839334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4339381 - 27 = 4339253 is a prime.

It is a super-2 number, since 2×43393812 = 37660454926322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4339681) 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, 3811 + ... + 4816.

It is an arithmetic number, because the mean of its divisors is an integer number (1087128).

Almost surely, 24339381 is an apocalyptic number.

It is an amenable number.

4339381 is a deficient number, since it is larger than the sum of its proper divisors (9131).

4339381 is an equidigital number, since it uses as much as digits as its factorization.

4339381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130.

The product of its digits is 7776, while the sum is 31.

The square root of 4339381 is about 2083.1180955481. The cubic root of 4339381 is about 163.1082498227.

The spelling of 4339381 in words is "four million, three hundred thirty-nine thousand, three hundred eighty-one".

Divisors: 1 503 8627 4339381