Base | Representation |
---|---|
bin | 11100110010110… |
… | …10010100011111 |
3 | 121211111121220222 |
4 | 32121122110133 |
5 | 443313324211 |
6 | 35545031555 |
7 | 5662035224 |
oct | 1631322437 |
9 | 554447828 |
10 | 241542431 |
11 | 114387449 |
12 | 68a855bb |
13 | 3b070c20 |
14 | 2411794b |
15 | 163131db |
hex | e65a51f |
241542431 has 4 divisors (see below), whose sum is σ = 260122632. Its totient is φ = 222962232.
The previous prime is 241542407. The next prime is 241542449. The reversal of 241542431 is 134245142.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134245142 = 2 ⋅67122571.
It is a cyclic number.
It is not a de Polignac number, because 241542431 - 218 = 241280287 is a prime.
It is a super-2 number, since 2×2415424312 = 116685491946779522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 241542431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (241542451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9290081 + ... + 9290106.
It is an arithmetic number, because the mean of its divisors is an integer number (65030658).
Almost surely, 2241542431 is an apocalyptic number.
241542431 is a deficient number, since it is larger than the sum of its proper divisors (18580201).
241542431 is a wasteful number, since it uses less digits than its factorization.
241542431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18580200.
The product of its digits is 3840, while the sum is 26.
The square root of 241542431 is about 15541.6354030070. The cubic root of 241542431 is about 622.7749625870.
Adding to 241542431 its reverse (134245142), we get a palindrome (375787573).
The spelling of 241542431 in words is "two hundred forty-one million, five hundred forty-two thousand, four hundred thirty-one".
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