Base | Representation |
---|---|
bin | 10001000100111… |
… | …01001101000001 |
3 | 100222112212101111 |
4 | 20202131031001 |
5 | 243133001431 |
6 | 22114203321 |
7 | 3356415121 |
oct | 1042351501 |
9 | 328485344 |
10 | 143250241 |
11 | 73952032 |
12 | 3bb83541 |
13 | 238a7874 |
14 | 1504cc81 |
15 | c8997b1 |
hex | 889d341 |
143250241 has 4 divisors (see below), whose sum is σ = 143303472. Its totient is φ = 143197012.
The previous prime is 143250229. The next prime is 143250257. The reversal of 143250241 is 142052341.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142052341 = 19 ⋅7476439.
It is a cyclic number.
It is not a de Polignac number, because 143250241 - 27 = 143250113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143250271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22351 + ... + 28036.
It is an arithmetic number, because the mean of its divisors is an integer number (35825868).
Almost surely, 2143250241 is an apocalyptic number.
It is an amenable number.
143250241 is a deficient number, since it is larger than the sum of its proper divisors (53231).
143250241 is an equidigital number, since it uses as much as digits as its factorization.
143250241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53230.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 143250241 is about 11968.7192715010. The cubic root of 143250241 is about 523.2370082044.
The spelling of 143250241 in words is "one hundred forty-three million, two hundred fifty thousand, two hundred forty-one".
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