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24473989 is a prime number
BaseRepresentation
bin101110101011…
…1000110000101
31201001102000001
41131113012011
522231131424
62232321301
7415011511
oct135270605
951042001
1024473989
11128a6741
128243231
1350bb967
143371141
152236844
hex1757185

24473989 has 2 divisors, whose sum is σ = 24473990. Its totient is φ = 24473988.

The previous prime is 24473959. The next prime is 24474019. The reversal of 24473989 is 98937442.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (24473959) and next prime (24474019).

It can be written as a sum of positive squares in only one way, i.e., 24423364 + 50625 = 4942^2 + 225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-24473989 is a prime.

It is a super-2 number, since 2×244739892 = 1197952275144242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24473959) 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 as a sum of consecutive naturals, namely, 12236994 + 12236995.

It is an arithmetic number, because the mean of its divisors is an integer number (12236995).

Almost surely, 224473989 is an apocalyptic number.

It is an amenable number.

24473989 is a deficient number, since it is larger than the sum of its proper divisors (1).

24473989 is an equidigital number, since it uses as much as digits as its factorization.

24473989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 24473989 is about 4947.1192627629. The cubic root of 24473989 is about 290.3364663874.

The spelling of 24473989 in words is "twenty-four million, four hundred seventy-three thousand, nine hundred eighty-nine".