Base | Representation |
---|---|
bin | 1010000011111… |
… | …1100000000111 |
3 | 2221102010211101 |
4 | 2200333200013 |
5 | 41301000033 |
6 | 4104320531 |
7 | 1021502143 |
oct | 240774007 |
9 | 87363741 |
10 | 42203143 |
11 | 21905934 |
12 | 12173147 |
13 | 8988598 |
14 | 5868223 |
15 | 3a8997d |
hex | 283f807 |
42203143 has 8 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 41554968.
The previous prime is 42203131. The next prime is 42203171. The reversal of 42203143 is 34130224.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42203143 - 25 = 42203111 is a prime.
It is a super-2 number, since 2×422031432 = 3562210558156898, 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 42203143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42203543) 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, 56430 + ... + 57172.
It is an arithmetic number, because the mean of its divisors is an integer number (5356800).
Almost surely, 242203143 is an apocalyptic number.
42203143 is a deficient number, since it is larger than the sum of its proper divisors (651257).
42203143 is an equidigital number, since it uses as much as digits as its factorization.
42203143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1541.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 42203143 is about 6496.3946154771. The cubic root of 42203143 is about 348.1621843886.
Adding to 42203143 its reverse (34130224), we get a palindrome (76333367).
The spelling of 42203143 in words is "forty-two million, two hundred three thousand, one hundred forty-three".
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