Base | Representation |
---|---|
bin | 1011111001000… |
… | …0001110010100 |
3 | 10110211212000020 |
4 | 2332100032110 |
5 | 100231430222 |
6 | 4540545140 |
7 | 1143630462 |
oct | 276201624 |
9 | 113755006 |
10 | 49873812 |
11 | 26174a2a |
12 | 148521b0 |
13 | a442b41 |
14 | 68a3832 |
15 | 45a265c |
hex | 2f90394 |
49873812 has 12 divisors (see below), whose sum is σ = 116372256. Its totient is φ = 16624600.
The previous prime is 49873799. The next prime is 49873829. The reversal of 49873812 is 21837894.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×498738122 = 4974794246822688, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078064 + ... + 2078087.
It is an arithmetic number, because the mean of its divisors is an integer number (9697688).
Almost surely, 249873812 is an apocalyptic number.
It is an amenable number.
49873812 is an abundant number, since it is smaller than the sum of its proper divisors (66498444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49873812 is a wasteful number, since it uses less digits than its factorization.
49873812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4156158 (or 4156156 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 49873812 is about 7062.1393359236. The cubic root of 49873812 is about 368.0929683985.
The spelling of 49873812 in words is "forty-nine million, eight hundred seventy-three thousand, eight hundred twelve".
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