Base | Representation |
---|---|
bin | 1011101011111… |
… | …1110010110000 |
3 | 10102020110220112 |
4 | 2322333302300 |
5 | 100022120310 |
6 | 4510400452 |
7 | 1133443454 |
oct | 272776260 |
9 | 112213815 |
10 | 49020080 |
11 | 2574156a |
12 | 14500128 |
13 | a204385 |
14 | 6720664 |
15 | 4484705 |
hex | 2ebfcb0 |
49020080 has 20 divisors (see below), whose sum is σ = 113971872. Its totient is φ = 19608000.
The previous prime is 49020077. The next prime is 49020089. The reversal of 49020080 is 8002094.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (49020089) 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, 306296 + ... + 306455.
Almost surely, 249020080 is an apocalyptic number.
49020080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49020080 is an abundant number, since it is smaller than the sum of its proper divisors (64951792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49020080 is a wasteful number, since it uses less digits than its factorization.
49020080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612764 (or 612758 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 49020080 is about 7001.4341388033. The cubic root of 49020080 is about 365.9805497940.
The spelling of 49020080 in words is "forty-nine million, twenty thousand, eighty".
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