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12024404 = 2272311979
BaseRepresentation
bin101101110111…
…101001010100
3211121220101022
4231313221110
511034240104
61105420312
7204130400
oct55675124
924556338
1012024404
116873127
12403a698
132650142
141850100
1510c7bbe
hexb77a54

12024404 has 36 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 4984560.

The previous prime is 12024361. The next prime is 12024407. The reversal of 12024404 is 40442021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12024407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5087 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (702240).

Almost surely, 212024404 is an apocalyptic number.

12024404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12024404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12640320).

12024404 is an abundant number, since it is smaller than the sum of its proper divisors (13256236).

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

12024404 is a wasteful number, since it uses less digits than its factorization.

12024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 12024404 is about 3467.6222400948. The cubic root of 12024404 is about 229.0979412357.

Adding to 12024404 its reverse (40442021), we get a palindrome (52466425).

The spelling of 12024404 in words is "twelve million, twenty-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 1519 1979 3038 3958 6076 7916 13853 27706 55412 61349 96971 122698 193942 245396 387884 429443 858886 1717772 3006101 6012202 12024404