Base | Representation |
---|---|
bin | 1011110011010… |
… | …0111111101111 |
3 | 10110010212102122 |
4 | 2330310333233 |
5 | 100133001033 |
6 | 4524543155 |
7 | 1140513200 |
oct | 274647757 |
9 | 113125378 |
10 | 49500143 |
11 | 25a3a210 |
12 | 146b1abb |
13 | a341a34 |
14 | 68075a7 |
15 | 452ba98 |
hex | 2f34fef |
49500143 has 12 divisors (see below), whose sum is σ = 62817192. Its totient is φ = 38571120.
The previous prime is 49500137. The next prime is 49500169. The reversal of 49500143 is 34100594.
It is not a de Polignac number, because 49500143 - 216 = 49434607 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49500173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45380 + ... + 46457.
It is an arithmetic number, because the mean of its divisors is an integer number (5234766).
Almost surely, 249500143 is an apocalyptic number.
49500143 is a deficient number, since it is larger than the sum of its proper divisors (13317049).
49500143 is a wasteful number, since it uses less digits than its factorization.
49500143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91862 (or 91855 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 49500143 is about 7035.6338022953. The cubic root of 49500143 is about 367.1713766743.
The spelling of 49500143 in words is "forty-nine million, five hundred thousand, one hundred forty-three".
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