Search a number
-
+
11980097 = 27144207
BaseRepresentation
bin101101101100…
…110101000001
3211112122121022
4231230311001
511031330342
61104435225
7203554253
oct55546501
924478538
1011980097
116842908
124018b15
132635c1c
14183bcd3
1510b99d2
hexb6cd41

11980097 has 4 divisors (see below), whose sum is σ = 12024576. Its totient is φ = 11935620.

The previous prime is 11980091. The next prime is 11980099. The reversal of 11980097 is 79008911.

11980097 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79008911 = 174647583.

It is a cyclic number.

It is not a de Polignac number, because 11980097 - 222 = 7785793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11980091) 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, 21833 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (3006144).

Almost surely, 211980097 is an apocalyptic number.

It is an amenable number.

11980097 is a deficient number, since it is larger than the sum of its proper divisors (44479).

11980097 is an equidigital number, since it uses as much as digits as its factorization.

11980097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44478.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 11980097 is about 3461.2276723729. The cubic root of 11980097 is about 228.8162048709.

The spelling of 11980097 in words is "eleven million, nine hundred eighty thousand, ninety-seven".

Divisors: 1 271 44207 11980097