Base | Representation |
---|---|
bin | 1011111000111… |
… | …1010010011100 |
3 | 10110211122202022 |
4 | 2332033102130 |
5 | 100231314410 |
6 | 4540515312 |
7 | 1143613346 |
oct | 276172234 |
9 | 113748668 |
10 | 49869980 |
11 | 26172066 |
12 | 1484bb38 |
13 | a441184 |
14 | 68a2296 |
15 | 45a1455 |
hex | 2f8f49c |
49869980 has 24 divisors (see below), whose sum is σ = 109281312. Its totient is φ = 19080512.
The previous prime is 49869971. The next prime is 49869991. The reversal of 49869980 is 8996894.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53747 + ... + 54666.
It is an arithmetic number, because the mean of its divisors is an integer number (4553388).
Almost surely, 249869980 is an apocalyptic number.
It is an amenable number.
49869980 is an abundant number, since it is smaller than the sum of its proper divisors (59411332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49869980 is a wasteful number, since it uses less digits than its factorization.
49869980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108445 (or 108443 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 53.
The square root of 49869980 is about 7061.8680248218. The cubic root of 49869980 is about 368.0835408163.
The spelling of 49869980 in words is "forty-nine million, eight hundred sixty-nine thousand, nine hundred eighty".
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