Base | Representation |
---|---|
bin | 1011110111111… |
… | …1111000101010 |
3 | 10110201110012122 |
4 | 2331333320222 |
5 | 100222310030 |
6 | 4535311242 |
7 | 1143231410 |
oct | 275777052 |
9 | 113643178 |
10 | 49806890 |
11 | 26129721 |
12 | 1481b522 |
13 | a41b543 |
14 | 68872b0 |
15 | 458c8e5 |
hex | 2f7fe2a |
49806890 has 32 divisors (see below), whose sum is σ = 102708864. Its totient is φ = 17035200.
The previous prime is 49806877. The next prime is 49806907. The reversal of 49806890 is 9860894.
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, 46865 + ... + 47915.
It is an arithmetic number, because the mean of its divisors is an integer number (3209652).
Almost surely, 249806890 is an apocalyptic number.
49806890 is an abundant number, since it is smaller than the sum of its proper divisors (52901974).
49806890 is a wasteful number, since it uses less digits than its factorization.
49806890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1742.
The product of its (nonzero) digits is 124416, while the sum is 44.
The square root of 49806890 is about 7057.3996627653. The cubic root of 49806890 is about 367.9282557445.
The spelling of 49806890 in words is "forty-nine million, eight hundred six thousand, eight hundred ninety".
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