Base | Representation |
---|---|
bin | 1011111010000… |
… | …1011001111111 |
3 | 10110222102112212 |
4 | 2332201121333 |
5 | 100241203231 |
6 | 4542251035 |
7 | 1144342613 |
oct | 276413177 |
9 | 113872485 |
10 | 49944191 |
11 | 262128a0 |
12 | 14886a7b |
13 | a468b9b |
14 | 68c1343 |
15 | 45b842b |
hex | 2fa167f |
49944191 has 24 divisors (see below), whose sum is σ = 58140912. Its totient is φ = 42508800.
The previous prime is 49944163. The next prime is 49944203. The reversal of 49944191 is 19144994.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-49944191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
Its product of digits (46656) is a multiple of the sum of its prime divisors (162).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49944121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684131 + ... + 684203.
It is an arithmetic number, because the mean of its divisors is an integer number (2422538).
Almost surely, 249944191 is an apocalyptic number.
49944191 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
49944191 is a deficient number, since it is larger than the sum of its proper divisors (8196721).
49944191 is a wasteful number, since it uses less digits than its factorization.
49944191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203 (or 162 counting only the distinct ones).
The product of its digits is 46656, while the sum is 41.
The square root of 49944191 is about 7067.1204178222. The cubic root of 49944191 is about 368.2660307589.
The spelling of 49944191 in words is "forty-nine million, nine hundred forty-four thousand, one hundred ninety-one".
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