Search a number
-
+
3828749 is a prime number
BaseRepresentation
bin1110100110110000001101
321012112001112
432212300031
51440004444
6214021405
744354351
oct16466015
97175045
103828749
112185661
121347865
13a40942
14719461
1550969e
hex3a6c0d

3828749 has 2 divisors, whose sum is σ = 3828750. Its totient is φ = 3828748.

The previous prime is 3828743. The next prime is 3828751. The reversal of 3828749 is 9478283.

3828749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 6724 = 1955^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 3828749 - 24 = 3828733 is a prime.

Together with 3828751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3828743) 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 as a sum of consecutive naturals, namely, 1914374 + 1914375.

It is an arithmetic number, because the mean of its divisors is an integer number (1914375).

Almost surely, 23828749 is an apocalyptic number.

It is an amenable number.

3828749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3828749 is an equidigital number, since it uses as much as digits as its factorization.

3828749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 3828749 is about 1956.7189374052. The cubic root of 3828749 is about 156.4416179257.

The spelling of 3828749 in words is "three million, eight hundred twenty-eight thousand, seven hundred forty-nine".