Search a number
-
+
12022000 = 24536011
BaseRepresentation
bin101101110111…
…000011110000
3211121210002021
4231313003300
511034201000
61105401224
7204120364
oct55670360
924553067
1012022000
116871341
124039214
13264c013
14184d2a4
1510c711a
hexb770f0

12022000 has 40 divisors (see below), whose sum is σ = 29074032. Its totient is φ = 4808000.

The previous prime is 12021991. The next prime is 12022007. The reversal of 12022000 is 22021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006 + ... + 5005.

Almost surely, 212022000 is an apocalyptic number.

12022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022000 is an abundant number, since it is smaller than the sum of its proper divisors (17052032).

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

12022000 is an equidigital number, since it uses as much as digits as its factorization.

12022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 12022000 is about 3467.2755875471. The cubic root of 12022000 is about 229.0826726159.

Adding to 12022000 its reverse (22021), we get a palindrome (12044021).

The spelling of 12022000 in words is "twelve million, twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 6011 12022 24044 30055 48088 60110 96176 120220 150275 240440 300550 480880 601100 751375 1202200 1502750 2404400 3005500 6011000 12022000