Base | Representation |
---|---|
bin | 1011101010010… |
… | …1001000111101 |
3 | 10102000221011011 |
4 | 2322211020331 |
5 | 100010122114 |
6 | 4504155221 |
7 | 1132510255 |
oct | 272451075 |
9 | 112027134 |
10 | 48910909 |
11 | 25677543 |
12 | 14468b11 |
13 | a196788 |
14 | 66d2965 |
15 | 44621c4 |
hex | 2ea523d |
48910909 has 8 divisors (see below), whose sum is σ = 51270912. Its totient is φ = 46606560.
The previous prime is 48910861. The next prime is 48910913. The reversal of 48910909 is 90901984.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48910909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48910109) 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, 12109 + ... + 15634.
It is an arithmetic number, because the mean of its divisors is an integer number (6408864).
Almost surely, 248910909 is an apocalyptic number.
It is an amenable number.
48910909 is a deficient number, since it is larger than the sum of its proper divisors (2360003).
48910909 is a wasteful number, since it uses less digits than its factorization.
48910909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27827.
The product of its (nonzero) digits is 23328, while the sum is 40.
The square root of 48910909 is about 6993.6334619424. The cubic root of 48910909 is about 365.7086601264.
The spelling of 48910909 in words is "forty-eight million, nine hundred ten thousand, nine hundred nine".
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