Search a number
-
+
11880066 = 2311180001
BaseRepresentation
bin101101010100…
…011010000010
3211100120101110
4231110122002
511020130231
61102344150
7202656522
oct55243202
924316343
1011880066
116784740
123b8b056
1325cc533
141813682
15109a046
hexb54682

11880066 has 16 divisors (see below), whose sum is σ = 25920288. Its totient is φ = 3600000.

The previous prime is 11880061. The next prime is 11880067. The reversal of 11880066 is 66008811.

It is a super-2 number, since 2×118800662 = 282271936328712, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11880061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89935 + ... + 90066.

It is an arithmetic number, because the mean of its divisors is an integer number (1620018).

Almost surely, 211880066 is an apocalyptic number.

11880066 is an abundant number, since it is smaller than the sum of its proper divisors (14040222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11880066 is a wasteful number, since it uses less digits than its factorization.

11880066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180017.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 11880066 is about 3446.7471621806. The cubic root of 11880066 is about 228.1775701952.

Adding to 11880066 its reverse (66008811), we get a palindrome (77888877).

The spelling of 11880066 in words is "eleven million, eight hundred eighty thousand, sixty-six".

Divisors: 1 2 3 6 11 22 33 66 180001 360002 540003 1080006 1980011 3960022 5940033 11880066