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242795387 is a prime number
BaseRepresentation
bin11100111100011…
…00001101111011
3121220212021122202
432132030031323
5444123423022
640031540415
76005504162
oct1636141573
9556767582
10242795387
1111506284a
126938a70b
133b3bc313
14243623d9
15164ae592
hexe78c37b

242795387 has 2 divisors, whose sum is σ = 242795388. Its totient is φ = 242795386.

The previous prime is 242795347. The next prime is 242795401. The reversal of 242795387 is 783597242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242795387 - 214 = 242779003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242795347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121397693 + 121397694.

It is an arithmetic number, because the mean of its divisors is an integer number (121397694).

Almost surely, 2242795387 is an apocalyptic number.

242795387 is a deficient number, since it is larger than the sum of its proper divisors (1).

242795387 is an equidigital number, since it uses as much as digits as its factorization.

242795387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 242795387 is about 15581.8929209515. The cubic root of 242795387 is about 623.8499486825.

The spelling of 242795387 in words is "two hundred forty-two million, seven hundred ninety-five thousand, three hundred eighty-seven".