Search a number
-
+
12022401 = 35697043
BaseRepresentation
bin101101110111…
…001010000001
3211121210122010
4231313022001
511034204101
61105403133
7204121506
oct55671201
924553563
1012022401
116871676
1240394a9
13264c261
14184d4ad
1510c72d6
hexb77281

12022401 has 8 divisors (see below), whose sum is σ = 16060320. Its totient is φ = 7999712.

The previous prime is 12022397. The next prime is 12022411. The reversal of 12022401 is 10422021.

12022401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12022401 - 22 = 12022397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12022411) 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, 1815 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (2007540).

Almost surely, 212022401 is an apocalyptic number.

It is an amenable number.

12022401 is a deficient number, since it is larger than the sum of its proper divisors (4037919).

12022401 is an equidigital number, since it uses as much as digits as its factorization.

12022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12022401 is about 3467.3334134461. Note that the first 3 decimals coincide. The cubic root of 12022401 is about 229.0852196444.

Adding to 12022401 its reverse (10422021), we get a palindrome (22444422).

The spelling of 12022401 in words is "twelve million, twenty-two thousand, four hundred one".

Divisors: 1 3 569 1707 7043 21129 4007467 12022401