Search a number
-
+
11340691 = 43263737
BaseRepresentation
bin101011010000…
…101110010011
3210100011111121
4223100232103
510400400231
61043023111
7165252145
oct53205623
923304447
1011340691
11644647a
12396aa97
132470b8b
141712c95
15ee0311
hexad0b93

11340691 has 4 divisors (see below), whose sum is σ = 11604472. Its totient is φ = 11076912.

The previous prime is 11340689. The next prime is 11340709. The reversal of 11340691 is 19604311.

11340691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19604311 = 47417113.

It is a cyclic number.

It is not a de Polignac number, because 11340691 - 21 = 11340689 is a prime.

It is a super-2 number, since 2×113406912 = 257222544714962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11340661) 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, 131826 + ... + 131911.

It is an arithmetic number, because the mean of its divisors is an integer number (2901118).

Almost surely, 211340691 is an apocalyptic number.

11340691 is a deficient number, since it is larger than the sum of its proper divisors (263781).

11340691 is an equidigital number, since it uses as much as digits as its factorization.

11340691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263780.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11340691 is about 3367.5942451548. The cubic root of 11340691 is about 224.6707348491.

It can be divided in two parts, 113 and 40691, that added together give a palindrome (40804).

The spelling of 11340691 in words is "eleven million, three hundred forty thousand, six hundred ninety-one".

Divisors: 1 43 263737 11340691