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24121189 is a prime number
BaseRepresentation
bin101110000000…
…0111101100101
31200101111001101
41130000331211
522133334224
62221000101
7412012111
oct134007545
950344041
1024121189
1112685674
1280b3031
134cc71c1
1432bc741
1521b7044
hex1700f65

24121189 has 2 divisors, whose sum is σ = 24121190. Its totient is φ = 24121188.

The previous prime is 24121177. The next prime is 24121213. The reversal of 24121189 is 98112142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13264164 + 10857025 = 3642^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 24121189 - 25 = 24121157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24121129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12060594 + 12060595.

It is an arithmetic number, because the mean of its divisors is an integer number (12060595).

Almost surely, 224121189 is an apocalyptic number.

It is an amenable number.

24121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

24121189 is an equidigital number, since it uses as much as digits as its factorization.

24121189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 24121189 is about 4911.3327111895. The cubic root of 24121189 is about 288.9346124264.

It can be divided in two parts, 24121 and 189, that added together give a triangular number (24310 = T220).

The spelling of 24121189 in words is "twenty-four million, one hundred twenty-one thousand, one hundred eighty-nine".