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242754613 is a prime number
BaseRepresentation
bin11100111100000…
…10010000110101
3121220210012201121
432132002100311
5444121121423
640031023541
76005244253
oct1636022065
9556705647
10242754613
11115035152
126936abb1
133b3a68aa
14243515d3
15164a245d
hexe782435

242754613 has 2 divisors, whose sum is σ = 242754614. Its totient is φ = 242754612.

The previous prime is 242754599. The next prime is 242754637. The reversal of 242754613 is 316457242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214271044 + 28483569 = 14638^2 + 5337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242754613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242754643) 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, 121377306 + 121377307.

It is an arithmetic number, because the mean of its divisors is an integer number (121377307).

Almost surely, 2242754613 is an apocalyptic number.

It is an amenable number.

242754613 is a deficient number, since it is larger than the sum of its proper divisors (1).

242754613 is an equidigital number, since it uses as much as digits as its factorization.

242754613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 242754613 is about 15580.5844883945. The cubic root of 242754613 is about 623.8150245128.

The spelling of 242754613 in words is "two hundred forty-two million, seven hundred fifty-four thousand, six hundred thirteen".