Base | Representation |
---|---|
bin | 11100110111111… |
… | …01011010100111 |
3 | 121212202120022012 |
4 | 32123331122213 |
5 | 444001213341 |
6 | 40011224435 |
7 | 6000516656 |
oct | 1633753247 |
9 | 555676265 |
10 | 242210471 |
11 | 1147a3348 |
12 | 6914811b |
13 | 3b246009 |
14 | 2424d19d |
15 | 163e60eb |
hex | e6fd6a7 |
242210471 has 4 divisors (see below), whose sum is σ = 250023744. Its totient is φ = 234397200.
The previous prime is 242210459. The next prime is 242210489. The reversal of 242210471 is 174012242.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174012242 = 2 ⋅87006121.
It is a de Polignac number, because none of the positive numbers 2k-242210471 is a prime.
It is a super-3 number, since 3×2422104713 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242210671) 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 3 ways as a sum of consecutive naturals, for example, 3906590 + ... + 3906651.
It is an arithmetic number, because the mean of its divisors is an integer number (62505936).
Almost surely, 2242210471 is an apocalyptic number.
242210471 is a deficient number, since it is larger than the sum of its proper divisors (7813273).
242210471 is an equidigital number, since it uses as much as digits as its factorization.
242210471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7813272.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 242210471 is about 15563.1125100347. The cubic root of 242210471 is about 623.3485755723.
The spelling of 242210471 in words is "two hundred forty-two million, two hundred ten thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •