Base | Representation |
---|---|
bin | 1011110111111… |
… | …0101010000000 |
3 | 10110201012022012 |
4 | 2331332222000 |
5 | 100222124411 |
6 | 4535232052 |
7 | 1143210626 |
oct | 275765200 |
9 | 113635265 |
10 | 49801856 |
11 | 26125965 |
12 | 14818628 |
13 | a419170 |
14 | 6885516 |
15 | 458b18b |
hex | 2f7ea80 |
49801856 has 48 divisors (see below), whose sum is σ = 107467710. Its totient is φ = 22852608.
The previous prime is 49801799. The next prime is 49801883. The reversal of 49801856 is 65810894.
It can be written as a sum of positive squares in 3 ways, for example, as 49224256 + 577600 = 7016^2 + 760^2 .
It is a super-2 number, since 2×498018562 = 4960449722089472, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287786 + ... + 287958.
Almost surely, 249801856 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49801856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53733855).
49801856 is an abundant number, since it is smaller than the sum of its proper divisors (57665854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49801856 is an equidigital number, since it uses as much as digits as its factorization.
49801856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373 (or 188 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 41.
The square root of 49801856 is about 7057.0430068124. The cubic root of 49801856 is about 367.9158597805.
The spelling of 49801856 in words is "forty-nine million, eight hundred one thousand, eight hundred fifty-six".
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