Base | Representation |
---|---|
bin | 1011111001010… |
… | …1111111000000 |
3 | 10110220001101011 |
4 | 2332111333000 |
5 | 100233204113 |
6 | 4541250304 |
7 | 1144056331 |
oct | 276257700 |
9 | 113801334 |
10 | 49897408 |
11 | 26190730 |
12 | 14863994 |
13 | a4507c2 |
14 | 68ac288 |
15 | 45a963d |
hex | 2f95fc0 |
49897408 has 28 divisors (see below), whose sum is σ = 108018072. Its totient is φ = 22680320.
The previous prime is 49897403. The next prime is 49897457. The reversal of 49897408 is 80479894.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49897403) 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, 34735 + ... + 36142.
Almost surely, 249897408 is an apocalyptic number.
It is an amenable number.
49897408 is an abundant number, since it is smaller than the sum of its proper divisors (58120664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49897408 is a wasteful number, since it uses less digits than its factorization.
49897408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70900 (or 70890 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 49.
The square root of 49897408 is about 7063.8097369621. The cubic root of 49897408 is about 368.1510092282.
It can be divided in two parts, 49897 and 408, that added together give a palindrome (50305).
The spelling of 49897408 in words is "forty-nine million, eight hundred ninety-seven thousand, four hundred eight".
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