Base | Representation |
---|---|
bin | 1011101000110… |
… | …1111101000100 |
3 | 10101212002212210 |
4 | 2322031331010 |
5 | 44444102230 |
6 | 4502143420 |
7 | 1131633345 |
oct | 272157504 |
9 | 111762783 |
10 | 48815940 |
11 | 25612158 |
12 | 14421b70 |
13 | a162494 |
14 | 66aa0cc |
15 | 4443eb0 |
hex | 2e8df44 |
48815940 has 48 divisors (see below), whose sum is σ = 143881920. Its totient is φ = 12332160.
The previous prime is 48815933. The next prime is 48815941. The reversal of 48815940 is 4951884.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (48815941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20271 + ... + 22550.
It is an arithmetic number, because the mean of its divisors is an integer number (2997540).
Almost surely, 248815940 is an apocalyptic number.
It is an amenable number.
48815940 is an abundant number, since it is smaller than the sum of its proper divisors (95065980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48815940 is a wasteful number, since it uses less digits than its factorization.
48815940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42852 (or 42850 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 48815940 is about 6986.8404876596. The cubic root of 48815940 is about 365.4718112006.
The spelling of 48815940 in words is "forty-eight million, eight hundred fifteen thousand, nine hundred forty".
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