Base | Representation |
---|---|
bin | 1011100010010… |
… | …1011100011110 |
3 | 10101001100200100 |
4 | 2320211130132 |
5 | 44341402440 |
6 | 4445041530 |
7 | 1125201336 |
oct | 270453436 |
9 | 111040610 |
10 | 48387870 |
11 | 2534a583 |
12 | 142562a6 |
13 | a04269b |
14 | 65d80c6 |
15 | 43ac230 |
hex | 2e2571e |
48387870 has 48 divisors (see below), whose sum is σ = 132434640. Its totient is φ = 12223872.
The previous prime is 48387853. The next prime is 48387877. The reversal of 48387870 is 7878384.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48387877) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12439 + ... + 15858.
It is an arithmetic number, because the mean of its divisors is an integer number (2759055).
Almost surely, 248387870 is an apocalyptic number.
48387870 is an abundant number, since it is smaller than the sum of its proper divisors (84046770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48387870 is a wasteful number, since it uses less digits than its factorization.
48387870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28329 (or 28326 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The square root of 48387870 is about 6956.1390152871. The cubic root of 48387870 is about 364.4003916433.
The spelling of 48387870 in words is "forty-eight million, three hundred eighty-seven thousand, eight hundred seventy".
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