Base | Representation |
---|---|
bin | 11100111101011… |
… | …01001101111011 |
3 | 121221010011001222 |
4 | 32132231031323 |
5 | 444142234210 |
6 | 40034502255 |
7 | 6006606230 |
oct | 1636551573 |
9 | 557104058 |
10 | 242930555 |
11 | 11514535a |
12 | 6943498b |
13 | 3b4389ba |
14 | 24399787 |
15 | 164d9655 |
hex | e7ad37b |
242930555 has 8 divisors (see below), whose sum is σ = 333161952. Its totient is φ = 166580928.
The previous prime is 242930551. The next prime is 242930581. The reversal of 242930555 is 555039242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 242930555 - 22 = 242930551 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 6940873 = 242930555 / (2 + 4 + 2 + 9 + 3 + 0 + 5 + 5 + 5).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (242930551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470402 + ... + 3470471.
It is an arithmetic number, because the mean of its divisors is an integer number (41645244).
Almost surely, 2242930555 is an apocalyptic number.
242930555 is a deficient number, since it is larger than the sum of its proper divisors (90231397).
242930555 is an equidigital number, since it uses as much as digits as its factorization.
242930555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6940885.
The product of its (nonzero) digits is 54000, while the sum is 35.
The square root of 242930555 is about 15586.2296595424. The cubic root of 242930555 is about 623.9656962226.
Adding to 242930555 its reverse (555039242), we get a palindrome (797969797).
The spelling of 242930555 in words is "two hundred forty-two million, nine hundred thirty thousand, five hundred fifty-five".
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