Base | Representation |
---|---|
bin | 1011111010010… |
… | …0100000011011 |
3 | 10111000001222020 |
4 | 2332210200123 |
5 | 100242110031 |
6 | 4542425523 |
7 | 1144424625 |
oct | 276444033 |
9 | 114001866 |
10 | 49956891 |
11 | 26221396 |
12 | 148922a3 |
13 | a4718ba |
14 | 68c5c15 |
15 | 45bc096 |
hex | 2fa481b |
49956891 has 8 divisors (see below), whose sum is σ = 66662400. Its totient is φ = 33277992.
The previous prime is 49956889. The next prime is 49956917. The reversal of 49956891 is 19865994.
49956891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49956891 - 21 = 49956889 is a prime.
It is a super-3 number, since 3×499568913 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (49956191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 10148.
It is an arithmetic number, because the mean of its divisors is an integer number (8332800).
Almost surely, 249956891 is an apocalyptic number.
49956891 is a deficient number, since it is larger than the sum of its proper divisors (16705509).
49956891 is a wasteful number, since it uses less digits than its factorization.
49956891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13305.
The product of its digits is 699840, while the sum is 51.
The square root of 49956891 is about 7068.0188879204. The cubic root of 49956891 is about 368.2972428120.
The spelling of 49956891 in words is "forty-nine million, nine hundred fifty-six thousand, eight hundred ninety-one".
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