Base | Representation |
---|---|
bin | 1011111000101… |
… | …1110101000100 |
3 | 10110210221022120 |
4 | 2332023311010 |
5 | 100230341222 |
6 | 4540325540 |
7 | 1143524136 |
oct | 276136504 |
9 | 113727276 |
10 | 49855812 |
11 | 26162456 |
12 | 148438b0 |
13 | a4378a6 |
14 | 689b056 |
15 | 459c15c |
hex | 2f8bd44 |
49855812 has 48 divisors (see below), whose sum is σ = 125325312. Its totient is φ = 15380640.
The previous prime is 49855801. The next prime is 49855853. The reversal of 49855812 is 21855894.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5643 + ... + 11469.
It is an arithmetic number, because the mean of its divisors is an integer number (2610944).
Almost surely, 249855812 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 49855812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62662656).
49855812 is an abundant number, since it is smaller than the sum of its proper divisors (75469500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49855812 is a wasteful number, since it uses less digits than its factorization.
49855812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5888 (or 5886 counting only the distinct ones).
The product of its digits is 115200, while the sum is 42.
The square root of 49855812 is about 7060.8648195529. The cubic root of 49855812 is about 368.0486801544.
The spelling of 49855812 in words is "forty-nine million, eight hundred fifty-five thousand, eight hundred twelve".
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