Base | Representation |
---|---|
bin | 10000111110110… |
… | …00001000011001 |
3 | 100221000212002220 |
4 | 20133120020121 |
5 | 242431134113 |
6 | 22045014253 |
7 | 3346513545 |
oct | 1037301031 |
9 | 327025086 |
10 | 142443033 |
11 | 73450617 |
12 | 3b854389 |
13 | 23684325 |
14 | 14cbca25 |
15 | c78a523 |
hex | 87d8219 |
142443033 has 8 divisors (see below), whose sum is σ = 189979200. Its totient is φ = 94934448.
The previous prime is 142443013. The next prime is 142443097. The reversal of 142443033 is 330344241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142443033 - 28 = 142442777 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 142442994 and 142443012.
It is not an unprimeable number, because it can be changed into a prime (142443013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16483 + ... + 23591.
It is an arithmetic number, because the mean of its divisors is an integer number (23747400).
Almost surely, 2142443033 is an apocalyptic number.
It is an amenable number.
142443033 is a deficient number, since it is larger than the sum of its proper divisors (47536167).
142443033 is an equidigital number, since it uses as much as digits as its factorization.
142443033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13791.
The product of its (nonzero) digits is 3456, while the sum is 24.
The square root of 142443033 is about 11934.9500627359. The cubic root of 142443033 is about 522.2523515253.
Adding to 142443033 its reverse (330344241), we get a palindrome (472787274).
The spelling of 142443033 in words is "one hundred forty-two million, four hundred forty-three thousand, thirty-three".
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