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24680393 is a prime number
BaseRepresentation
bin101111000100…
…1011111001001
31201102220010122
41132021133021
522304233033
62240553025
7416531333
oct136113711
951386118
1024680393
1112a27821
128322775
1351618aa
1433c6453
152277a98
hex17897c9

24680393 has 2 divisors, whose sum is σ = 24680394. Its totient is φ = 24680392.

The previous prime is 24680387. The next prime is 24680437. The reversal of 24680393 is 39308642.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23541904 + 1138489 = 4852^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 24680393 - 26 = 24680329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24680693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12340196 + 12340197.

It is an arithmetic number, because the mean of its divisors is an integer number (12340197).

Almost surely, 224680393 is an apocalyptic number.

It is an amenable number.

24680393 is a deficient number, since it is larger than the sum of its proper divisors (1).

24680393 is an equidigital number, since it uses as much as digits as its factorization.

24680393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 24680393 is about 4967.9364931529. The cubic root of 24680393 is about 291.1503771220.

The spelling of 24680393 in words is "twenty-four million, six hundred eighty thousand, three hundred ninety-three".