Base | Representation |
---|---|
bin | 1011110110000… |
… | …1000010010000 |
3 | 10110111000212120 |
4 | 2331201002100 |
5 | 100204234103 |
6 | 4532454240 |
7 | 1142164122 |
oct | 275410220 |
9 | 113430776 |
10 | 49680528 |
11 | 26052797 |
12 | 1477a380 |
13 | a3a5b81 |
14 | 6853212 |
15 | 4565253 |
hex | 2f61090 |
49680528 has 80 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 15413248.
The previous prime is 49680517. The next prime is 49680577. The reversal of 49680528 is 82508694.
It is a self number, because there is not a number n which added to its sum of digits gives 49680528.
It is a congruent 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, 87028 + ... + 87596.
It is an arithmetic number, because the mean of its divisors is an integer number (1717524).
Almost surely, 249680528 is an apocalyptic number.
49680528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49680528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68700960).
49680528 is an abundant number, since it is smaller than the sum of its proper divisors (87721392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49680528 is a wasteful number, since it uses less digits than its factorization.
49680528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704 (or 698 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 49680528 is about 7048.4415298703. The cubic root of 49680528 is about 367.6168428508.
The spelling of 49680528 in words is "forty-nine million, six hundred eighty thousand, five hundred twenty-eight".
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