Base | Representation |
---|---|
bin | 1011111001100… |
… | …0101111000110 |
3 | 10110220121211120 |
4 | 2332120233012 |
5 | 100234034203 |
6 | 4541414410 |
7 | 1144134231 |
oct | 276305706 |
9 | 113817746 |
10 | 49908678 |
11 | 26199146 |
12 | 1486a406 |
13 | a455981 |
14 | 68b2418 |
15 | 45acb53 |
hex | 2f98bc6 |
49908678 has 8 divisors (see below), whose sum is σ = 99817368. Its totient is φ = 16636224.
The previous prime is 49908673. The next prime is 49908679. The reversal of 49908678 is 87680994.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
49908678 is an admirable number.
It is a super-2 number, since 2×499086782 = 4981752279415368, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 49908678.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49908673) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159051 + ... + 4159062.
It is an arithmetic number, because the mean of its divisors is an integer number (12477171).
Almost surely, 249908678 is an apocalyptic number.
49908678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49908678 is a wasteful number, since it uses less digits than its factorization.
49908678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8318118.
The product of its (nonzero) digits is 870912, while the sum is 51.
The square root of 49908678 is about 7064.6074200907. The cubic root of 49908678 is about 368.1787244257.
The spelling of 49908678 in words is "forty-nine million, nine hundred eight thousand, six hundred seventy-eight".
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