Base | Representation |
---|---|
bin | 1010000011000… |
… | …0101001011111 |
3 | 2221022001101001 |
4 | 2200300221133 |
5 | 41242023203 |
6 | 4103131131 |
7 | 1021126600 |
oct | 240605137 |
9 | 87261331 |
10 | 42142303 |
11 | 21874155 |
12 | 12143aa7 |
13 | 8966998 |
14 | 584dda7 |
15 | 3a7691d |
hex | 2830a5f |
42142303 has 12 divisors (see below), whose sum is σ = 51907392. Its totient is φ = 33996480.
The previous prime is 42142267. The next prime is 42142319. The reversal of 42142303 is 30324124.
It is not a de Polignac number, because 42142303 - 225 = 8587871 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42142363) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24463 + ... + 26128.
It is an arithmetic number, because the mean of its divisors is an integer number (4325616).
Almost surely, 242142303 is an apocalyptic number.
42142303 is a deficient number, since it is larger than the sum of its proper divisors (9765089).
42142303 is a wasteful number, since it uses less digits than its factorization.
42142303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50622 (or 50615 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 42142303 is about 6491.7103293354. The cubic root of 42142303 is about 347.9948005345.
Adding to 42142303 its reverse (30324124), we get a palindrome (72466427).
It can be divided in two parts, 421 and 42303, that added together give a palindrome (42724).
The spelling of 42142303 in words is "forty-two million, one hundred forty-two thousand, three hundred three".
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