Base | Representation |
---|---|
bin | 1011111010000… |
… | …1000011001000 |
3 | 10110222100112200 |
4 | 2332201003020 |
5 | 100241131403 |
6 | 4542240200 |
7 | 1144335423 |
oct | 276410310 |
9 | 113870480 |
10 | 49942728 |
11 | 26211790 |
12 | 14886060 |
13 | a468314 |
14 | 68c09ba |
15 | 45b7ca3 |
hex | 2fa10c8 |
49942728 has 48 divisors (see below), whose sum is σ = 147560400. Its totient is φ = 15133920.
The previous prime is 49942703. The next prime is 49942747. The reversal of 49942728 is 82724994.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30738 + ... + 32321.
It is an arithmetic number, because the mean of its divisors is an integer number (3074175).
Almost surely, 249942728 is an apocalyptic number.
It is an amenable number.
49942728 is an abundant number, since it is smaller than the sum of its proper divisors (97617672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49942728 is a wasteful number, since it uses less digits than its factorization.
49942728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63082 (or 63075 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 49942728 is about 7067.0169095595. The cubic root of 49942728 is about 368.2624348888.
The spelling of 49942728 in words is "forty-nine million, nine hundred forty-two thousand, seven hundred twenty-eight".
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