Search a number
-
+
242602853 is a prime number
BaseRepresentation
bin11100111010111…
…01001101100101
3121220111111112212
432131131031211
5444101242403
640023453205
76004042643
oct1635351545
9556444485
10242602853
11114a41129
12692b7205
133b3527ac
1424312193
15164724d8
hexe75d365

242602853 has 2 divisors, whose sum is σ = 242602854. Its totient is φ = 242602852.

The previous prime is 242602793. The next prime is 242602859. The reversal of 242602853 is 358206242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229764964 + 12837889 = 15158^2 + 3583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242602853 is a prime.

It is a super-2 number, since 2×2426028532 = 117712288567479218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242602859) 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, 121301426 + 121301427.

It is an arithmetic number, because the mean of its divisors is an integer number (121301427).

Almost surely, 2242602853 is an apocalyptic number.

It is an amenable number.

242602853 is a deficient number, since it is larger than the sum of its proper divisors (1).

242602853 is an equidigital number, since it uses as much as digits as its factorization.

242602853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 242602853 is about 15575.7135631084. The cubic root of 242602853 is about 623.6850030867.

The spelling of 242602853 in words is "two hundred forty-two million, six hundred two thousand, eight hundred fifty-three".