Base | Representation |
---|---|
bin | 11100110110111… |
… | …01101100010011 |
3 | 121212111222001121 |
4 | 32123131230103 |
5 | 443433034111 |
6 | 40004343111 |
7 | 5666436100 |
oct | 1633355423 |
9 | 555458047 |
10 | 242080531 |
11 | 114714760 |
12 | 690a4a97 |
13 | 3b1cbb24 |
14 | 24217aa7 |
15 | 163bc871 |
hex | e6ddb13 |
242080531 has 12 divisors (see below), whose sum is σ = 307204920. Its totient is φ = 188633760.
The previous prime is 242080499. The next prime is 242080571. The reversal of 242080531 is 135080242.
It is not a de Polignac number, because 242080531 - 25 = 242080499 is a prime.
It is a super-2 number, since 2×2420805312 = 117205966978483922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 242080496 and 242080505.
It is not an unprimeable number, because it can be changed into a prime (242080571) 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 in 11 ways as a sum of consecutive naturals, for example, 224026 + ... + 225103.
It is an arithmetic number, because the mean of its divisors is an integer number (25600410).
Almost surely, 2242080531 is an apocalyptic number.
242080531 is a deficient number, since it is larger than the sum of its proper divisors (65124389).
242080531 is a wasteful number, since it uses less digits than its factorization.
242080531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449154 (or 449147 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 242080531 is about 15558.9373351781. The cubic root of 242080531 is about 623.2370852056.
The spelling of 242080531 in words is "two hundred forty-two million, eighty thousand, five hundred thirty-one".
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