Base | Representation |
---|---|
bin | 1011011110101… |
… | …0011011011100 |
3 | 10100121002002101 |
4 | 2313222123130 |
5 | 44311134030 |
6 | 4435534444 |
7 | 1123143520 |
oct | 267523334 |
9 | 110532071 |
10 | 48146140 |
11 | 251a49a9 |
12 | 1415a424 |
13 | 9c89653 |
14 | 6573d80 |
15 | 43607ca |
hex | 2dea6dc |
48146140 has 24 divisors (see below), whose sum is σ = 115551072. Its totient is φ = 16507200.
The previous prime is 48146117. The next prime is 48146143. The reversal of 48146140 is 4164184.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 48146099 and 48146108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48146143) 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, 171811 + ... + 172090.
It is an arithmetic number, because the mean of its divisors is an integer number (4814628).
Almost surely, 248146140 is an apocalyptic number.
It is an amenable number.
48146140 is an abundant number, since it is smaller than the sum of its proper divisors (67404932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48146140 is a wasteful number, since it uses less digits than its factorization.
48146140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343917 (or 343915 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 48146140 is about 6938.7419609033. The cubic root of 48146140 is about 363.7925698969.
The spelling of 48146140 in words is "forty-eight million, one hundred forty-six thousand, one hundred forty".
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