Base | Representation |
---|---|
bin | 1011100010010… |
… | …1011110010011 |
3 | 10101001100211200 |
4 | 2320211132103 |
5 | 44341403422 |
6 | 4445042243 |
7 | 1125201564 |
oct | 270453623 |
9 | 111040750 |
10 | 48387987 |
11 | 2534a67a |
12 | 14256383 |
13 | a04275b |
14 | 65d816b |
15 | 43ac2ac |
hex | 2e25793 |
48387987 has 6 divisors (see below), whose sum is σ = 69893772. Its totient is φ = 32258652.
The previous prime is 48387961. The next prime is 48388007. The reversal of 48387987 is 78978384.
48387987 is a `hidden beast` number, since 483 + 87 + 9 + 87 = 666.
It is not a de Polignac number, because 48387987 - 216 = 48322451 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48387907) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2688213 + ... + 2688230.
It is an arithmetic number, because the mean of its divisors is an integer number (11648962).
Almost surely, 248387987 is an apocalyptic number.
48387987 is a deficient number, since it is larger than the sum of its proper divisors (21505785).
48387987 is a wasteful number, since it uses less digits than its factorization.
48387987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5376449 (or 5376446 counting only the distinct ones).
The product of its digits is 2709504, while the sum is 54.
The square root of 48387987 is about 6956.1474251197. The cubic root of 48387987 is about 364.4006853451.
The spelling of 48387987 in words is "forty-eight million, three hundred eighty-seven thousand, nine hundred eighty-seven".
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