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242585249 is a prime number
BaseRepresentation
bin11100111010110…
…00111010100001
3121220110121101212
432131120322201
5444100211444
640023235505
76003640424
oct1635307241
9556417355
10242585249
11114a29985
12692a8b95
133b34778a
14243099bb
151646c19e
hexe758ea1

242585249 has 2 divisors, whose sum is σ = 242585250. Its totient is φ = 242585248.

The previous prime is 242585237. The next prime is 242585267. The reversal of 242585249 is 942585242.

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., 242580625 + 4624 = 15575^2 + 68^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242585249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242585269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121292624 + 121292625.

It is an arithmetic number, because the mean of its divisors is an integer number (121292625).

Almost surely, 2242585249 is an apocalyptic number.

It is an amenable number.

242585249 is a deficient number, since it is larger than the sum of its proper divisors (1).

242585249 is an equidigital number, since it uses as much as digits as its factorization.

242585249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The square root of 242585249 is about 15575.1484423103. The cubic root of 242585249 is about 623.6699172290.

The spelling of 242585249 in words is "two hundred forty-two million, five hundred eighty-five thousand, two hundred forty-nine".