Search a number
-
+
1348139 = 13103703
BaseRepresentation
bin101001001001000101011
32112111022002
411021020223
5321120024
644521215
714313302
oct5111053
92474262
101348139
11840971
1255020b
13382820
14271439
151b96ae
hex14922b

1348139 has 4 divisors (see below), whose sum is σ = 1451856. Its totient is φ = 1244424.

The previous prime is 1348133. The next prime is 1348157. The reversal of 1348139 is 9318431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9318431 = 17548143.

It is a cyclic number.

It is not a de Polignac number, because 1348139 - 212 = 1344043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51839 + ... + 51864.

It is an arithmetic number, because the mean of its divisors is an integer number (362964).

21348139 is an apocalyptic number.

1348139 is a deficient number, since it is larger than the sum of its proper divisors (103717).

1348139 is a wasteful number, since it uses less digits than its factorization.

1348139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103716.

The product of its digits is 2592, while the sum is 29.

The square root of 1348139 is about 1161.0938807866. The cubic root of 1348139 is about 110.4701365488.

The spelling of 1348139 in words is "one million, three hundred forty-eight thousand, one hundred thirty-nine".

Divisors: 1 13 103703 1348139