Base | Representation |
---|---|
bin | 1011011110001… |
… | …1000010000101 |
3 | 10100112112112100 |
4 | 2313203002011 |
5 | 44304201340 |
6 | 4435142313 |
7 | 1122656301 |
oct | 267430205 |
9 | 110475470 |
10 | 48115845 |
11 | 25184168 |
12 | 14144999 |
13 | 9c7891b |
14 | 6566d01 |
15 | 4356830 |
hex | 2de3085 |
48115845 has 24 divisors (see below), whose sum is σ = 83688696. Its totient is φ = 25573248.
The previous prime is 48115817. The next prime is 48115853. The reversal of 48115845 is 54851184.
It can be written as a sum of positive squares in 4 ways, for example, as 6937956 + 41177889 = 2634^2 + 6417^2 .
It is not a de Polignac number, because 48115845 - 211 = 48113797 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12579 + ... + 15951.
It is an arithmetic number, because the mean of its divisors is an integer number (3487029).
Almost surely, 248115845 is an apocalyptic number.
48115845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
48115845 is a deficient number, since it is larger than the sum of its proper divisors (35572851).
48115845 is a wasteful number, since it uses less digits than its factorization.
48115845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3701 (or 3698 counting only the distinct ones).
The product of its digits is 25600, while the sum is 36.
The square root of 48115845 is about 6936.5585847739. The cubic root of 48115845 is about 363.7162508101.
The spelling of 48115845 in words is "forty-eight million, one hundred fifteen thousand, eight hundred forty-five".
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