Search a number
-
+
1338079 = 1379767
BaseRepresentation
bin101000110101011011111
32111222111111
411012223133
5320304304
644402451
714242051
oct5065337
92458444
101338079
11834356
12546427
1337b082
1426b8d1
151b6704
hex146adf

1338079 has 4 divisors (see below), whose sum is σ = 1347984. Its totient is φ = 1328176.

The previous prime is 1338049. The next prime is 1338101. The reversal of 1338079 is 9708331.

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 1338079 - 211 = 1336031 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1338079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338049) 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, 4747 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (336996).

21338079 is an apocalyptic number.

1338079 is a deficient number, since it is larger than the sum of its proper divisors (9905).

1338079 is an equidigital number, since it uses as much as digits as its factorization.

1338079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9904.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1338079 is about 1156.7536470658. The cubic root of 1338079 is about 110.1946690614.

The spelling of 1338079 in words is "one million, three hundred thirty-eight thousand, seventy-nine".

Divisors: 1 137 9767 1338079