Base | Representation |
---|---|
bin | 1011011111010… |
… | …0111011010100 |
3 | 10100200021001222 |
4 | 2313310323110 |
5 | 44314023030 |
6 | 4440505512 |
7 | 1123413056 |
oct | 267647324 |
9 | 110607058 |
10 | 48189140 |
11 | 2522423a |
12 | 1417b298 |
13 | 9ca30ac |
14 | 65858d6 |
15 | 436d3e5 |
hex | 2df4ed4 |
48189140 has 24 divisors (see below), whose sum is σ = 105598080. Its totient is φ = 18437408.
The previous prime is 48189121. The next prime is 48189143. The reversal of 48189140 is 4198184.
It is a self number, because there is not a number n which added to its sum of digits gives 48189140.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48189143) 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, 51920 + ... + 52839.
It is an arithmetic number, because the mean of its divisors is an integer number (4399920).
Almost surely, 248189140 is an apocalyptic number.
It is an amenable number.
48189140 is an abundant number, since it is smaller than the sum of its proper divisors (57408940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48189140 is a wasteful number, since it uses less digits than its factorization.
48189140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104791 (or 104789 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 48189140 is about 6941.8398137670. The cubic root of 48189140 is about 363.9008404373.
The spelling of 48189140 in words is "forty-eight million, one hundred eighty-nine thousand, one hundred forty".
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