Base | Representation |
---|---|
bin | 1011110110010… |
… | …1001110010000 |
3 | 10110111220101211 |
4 | 2331211032100 |
5 | 100210311210 |
6 | 4533105504 |
7 | 1142265124 |
oct | 275451620 |
9 | 113456354 |
10 | 49697680 |
11 | 2606466a |
12 | 14788294 |
13 | a3b0916 |
14 | 6859584 |
15 | 456a38a |
hex | 2f65390 |
49697680 has 40 divisors (see below), whose sum is σ = 118242432. Its totient is φ = 19415424.
The previous prime is 49697639. The next prime is 49697707. The reversal of 49697680 is 8679694.
49697680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3784 + ... + 10663.
Almost surely, 249697680 is an apocalyptic number.
49697680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49697680 is an abundant number, since it is smaller than the sum of its proper divisors (68544752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49697680 is a wasteful number, since it uses less digits than its factorization.
49697680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14503 (or 14497 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 49697680 is about 7049.6581477402. The cubic root of 49697680 is about 367.6591440558.
The spelling of 49697680 in words is "forty-nine million, six hundred ninety-seven thousand, six hundred eighty".
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