Search a number
-
+
11902201 = 23517487
BaseRepresentation
bin101101011001…
…110011111001
3211101200202021
4231121303321
511021332301
61103034441
7203111203
oct55316371
924350667
1011902201
11679a333
123b9ba21
13260962c
14181b773
1510a18a1
hexb59cf9

11902201 has 4 divisors (see below), whose sum is σ = 12419712. Its totient is φ = 11384692.

The previous prime is 11902183. The next prime is 11902207. The reversal of 11902201 is 10220911.

11902201 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11902201 - 27 = 11902073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11902207) 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, 258721 + ... + 258766.

It is an arithmetic number, because the mean of its divisors is an integer number (3104928).

Almost surely, 211902201 is an apocalyptic number.

It is an amenable number.

11902201 is a deficient number, since it is larger than the sum of its proper divisors (517511).

11902201 is an equidigital number, since it uses as much as digits as its factorization.

11902201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517510.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 11902201 is about 3449.9566663945. The cubic root of 11902201 is about 228.3191961458.

The spelling of 11902201 in words is "eleven million, nine hundred two thousand, two hundred one".

Divisors: 1 23 517487 11902201