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24742379 is a prime number
BaseRepresentation
bin101111001100…
…0100111101011
31201120001011102
41132120213223
522313224004
62242152015
7420210134
oct136304753
951501142
1024742379
1112a6a352
12835260b
135183b7c
143400c8b
15228b11e
hex17989eb

24742379 has 2 divisors, whose sum is σ = 24742380. Its totient is φ = 24742378.

The previous prime is 24742373. The next prime is 24742387. The reversal of 24742379 is 97324742.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-24742379 is a prime.

It is a super-2 number, since 2×247423792 = 1224370637159282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24742373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12371189 + 12371190.

It is an arithmetic number, because the mean of its divisors is an integer number (12371190).

Almost surely, 224742379 is an apocalyptic number.

24742379 is a deficient number, since it is larger than the sum of its proper divisors (1).

24742379 is an equidigital number, since it uses as much as digits as its factorization.

24742379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 24742379 is about 4974.1711872432. The cubic root of 24742379 is about 291.3939194281.

The spelling of 24742379 in words is "twenty-four million, seven hundred forty-two thousand, three hundred seventy-nine".