Search a number
-
+
11213701 = 37303073
BaseRepresentation
bin101010110001…
…101110000101
3210002201022021
4222301232011
510332314301
61040203141
7164213002
oct52615605
923081267
1011213701
11636a024
1239094b1
132428135
1416bc8a9
15eb78a1
hexab1b85

11213701 has 4 divisors (see below), whose sum is σ = 11516812. Its totient is φ = 10910592.

The previous prime is 11213689. The next prime is 11213711. The reversal of 11213701 is 10731211.

11213701 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7317025 + 3896676 = 2705^2 + 1974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11213701 is a prime.

It is a super-3 number, since 3×112137013 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213711) 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, 151500 + ... + 151573.

It is an arithmetic number, because the mean of its divisors is an integer number (2879203).

Almost surely, 211213701 is an apocalyptic number.

It is an amenable number.

11213701 is a deficient number, since it is larger than the sum of its proper divisors (303111).

11213701 is an equidigital number, since it uses as much as digits as its factorization.

11213701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303110.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11213701 is about 3348.6864588970. The cubic root of 11213701 is about 223.8289843182.

Adding to 11213701 its reverse (10731211), we get a palindrome (21944912).

The spelling of 11213701 in words is "eleven million, two hundred thirteen thousand, seven hundred one".

Divisors: 1 37 303073 11213701