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242061697 is a prime number
BaseRepresentation
bin11100110110110…
…01000110000001
3121212111000020001
432123121012001
5443431433242
640004120001
75666330143
oct1633310601
9555430201
10242061697
11114701599
1269096001
133b1c3397
1424210c93
15163b6eb7
hexe6d9181

242061697 has 2 divisors, whose sum is σ = 242061698. Its totient is φ = 242061696.

The previous prime is 242061679. The next prime is 242061709. The reversal of 242061697 is 796160242.

Together with previous prime (242061679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169624576 + 72437121 = 13024^2 + 8511^2 .

It is a cyclic number.

It is not a de Polignac number, because 242061697 - 215 = 242028929 is a prime.

It is not a weakly prime, because it can be changed into another prime (242061097) 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, 121030848 + 121030849.

It is an arithmetic number, because the mean of its divisors is an integer number (121030849).

Almost surely, 2242061697 is an apocalyptic number.

It is an amenable number.

242061697 is a deficient number, since it is larger than the sum of its proper divisors (1).

242061697 is an equidigital number, since it uses as much as digits as its factorization.

242061697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 242061697 is about 15558.3320764149. The cubic root of 242061697 is about 623.2209220558.

The spelling of 242061697 in words is "two hundred forty-two million, sixty-one thousand, six hundred ninety-seven".