Search a number
-
+
11880647 is a prime number
BaseRepresentation
bin101101010100…
…100011000111
3211100121011222
4231110203013
511020140042
61102350555
7202661312
oct55244307
924317158
1011880647
116785119
123b8b45b
1325cc88c
141813979
15109a2d2
hexb548c7

11880647 has 2 divisors, whose sum is σ = 11880648. Its totient is φ = 11880646.

The previous prime is 11880619. The next prime is 11880667. The reversal of 11880647 is 74608811.

11880647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11880647 - 212 = 11876551 is a prime.

It is a super-2 number, since 2×118806472 = 282299546277218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11880607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940323 + 5940324.

It is an arithmetic number, because the mean of its divisors is an integer number (5940324).

Almost surely, 211880647 is an apocalyptic number.

11880647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11880647 is an equidigital number, since it uses as much as digits as its factorization.

11880647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 11880647 is about 3446.8314435145. The cubic root of 11880647 is about 228.1812898436.

The spelling of 11880647 in words is "eleven million, eight hundred eighty thousand, six hundred forty-seven".