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12024140 = 225601207
BaseRepresentation
bin101101110111…
…100101001100
3211121220000112
4231313211030
511034233030
61105415152
7204126542
oct55674514
924556015
1012024140
116872a07
12403a4b8
13264cc9b
14184dd92
1510c7a95
hexb7794c

12024140 has 12 divisors (see below), whose sum is σ = 25250736. Its totient is φ = 4809648.

The previous prime is 12024139. The next prime is 12024143. The reversal of 12024140 is 4142021.

It is not an unprimeable number, because it can be changed into a prime (12024143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300584 + ... + 300623.

It is an arithmetic number, because the mean of its divisors is an integer number (2104228).

Almost surely, 212024140 is an apocalyptic number.

12024140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12024140 is an abundant number, since it is smaller than the sum of its proper divisors (13226596).

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

12024140 is a wasteful number, since it uses less digits than its factorization.

12024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601216 (or 601214 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12024140 is about 3467.5841734556. The cubic root of 12024140 is about 229.0962645816.

Adding to 12024140 its reverse (4142021), we get a palindrome (16166161).

The spelling of 12024140 in words is "twelve million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 601207 1202414 2404828 3006035 6012070 12024140