Base | Representation |
---|---|
bin | 11100110110010… |
… | …11010000100001 |
3 | 121212101010111002 |
4 | 32123023100201 |
5 | 443423130100 |
6 | 40003001345 |
7 | 5666003003 |
oct | 1633132041 |
9 | 555333432 |
10 | 242005025 |
11 | 114672a59 |
12 | 69069255 |
13 | 3b1a3652 |
14 | 241d8373 |
15 | 163a52d5 |
hex | e6cb421 |
242005025 has 6 divisors (see below), whose sum is σ = 300086262. Its totient is φ = 193604000.
The previous prime is 242004967. The next prime is 242005031. The reversal of 242005025 is 520500242.
It can be written as a sum of positive squares in 3 ways, for example, as 7333264 + 234671761 = 2708^2 + 15319^2 .
It is not a de Polignac number, because 242005025 - 28 = 242004769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 242004988 and 242005006.
It is an unprimeable number.
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 in 5 ways as a sum of consecutive naturals, for example, 4840076 + ... + 4840125.
It is an arithmetic number, because the mean of its divisors is an integer number (50014377).
Almost surely, 2242005025 is an apocalyptic number.
242005025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
242005025 is a deficient number, since it is larger than the sum of its proper divisors (58081237).
242005025 is an equidigital number, since it uses as much as digits as its factorization.
242005025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9680211 (or 9680206 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 20.
The square root of 242005025 is about 15556.5106948827. The cubic root of 242005025 is about 623.1722816565.
Adding to 242005025 its reverse (520500242), we get a palindrome (762505267).
The spelling of 242005025 in words is "two hundred forty-two million, five thousand, twenty-five".
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