Base | Representation |
---|---|
bin | 1011110010111… |
… | …1000110001100 |
3 | 10110002122021201 |
4 | 2330233012030 |
5 | 100131212410 |
6 | 4524235244 |
7 | 1140352561 |
oct | 274570614 |
9 | 113078251 |
10 | 49475980 |
11 | 25a23044 |
12 | 1469bb24 |
13 | a333a38 |
14 | 67dc868 |
15 | 452483a |
hex | 2f2f18c |
49475980 has 24 divisors (see below), whose sum is σ = 104266512. Its totient is φ = 19720512.
The previous prime is 49475957. The next prime is 49475983. The reversal of 49475980 is 8957494.
It is a super-3 number, since 3×494759803 (a number of 24 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 49475980.
It is not an unprimeable number, because it can be changed into a prime (49475983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 10081.
It is an arithmetic number, because the mean of its divisors is an integer number (4344438).
Almost surely, 249475980 is an apocalyptic number.
It is an amenable number.
49475980 is an abundant number, since it is smaller than the sum of its proper divisors (54790532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49475980 is a wasteful number, since it uses less digits than its factorization.
49475980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8745 (or 8743 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 49475980 is about 7033.9164055311. The cubic root of 49475980 is about 367.1116232714. Note that the first 3 decimals are identical.
The spelling of 49475980 in words is "forty-nine million, four hundred seventy-five thousand, nine hundred eighty".
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