Search a number
-
+
11279039 = 23490393
BaseRepresentation
bin101011000001…
…101010111111
3210020000221012
4223001222333
510341412124
61041425435
7164604332
oct53015277
923200835
1011279039
116404122
12393b27b
13244bab5
1416d8619
15ecbe0e
hexac1abf

11279039 has 4 divisors (see below), whose sum is σ = 11769456. Its totient is φ = 10788624.

The previous prime is 11279033. The next prime is 11279077. The reversal of 11279039 is 93097211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93097211 = 211144101.

It is a cyclic number.

It is not a de Polignac number, because 11279039 - 28 = 11278783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11278996 and 11279014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11279033) 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, 245174 + ... + 245219.

It is an arithmetic number, because the mean of its divisors is an integer number (2942364).

Almost surely, 211279039 is an apocalyptic number.

11279039 is a deficient number, since it is larger than the sum of its proper divisors (490417).

11279039 is an equidigital number, since it uses as much as digits as its factorization.

11279039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490416.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 11279039 is about 3358.4280549090. The cubic root of 11279039 is about 224.2628650348.

The spelling of 11279039 in words is "eleven million, two hundred seventy-nine thousand, thirty-nine".

Divisors: 1 23 490393 11279039