Base | Representation |
---|---|
bin | 1011100110010… |
… | …1001100011011 |
3 | 10101112121212100 |
4 | 2321211030123 |
5 | 44423231422 |
6 | 4454414443 |
7 | 1130336532 |
oct | 271451433 |
9 | 111477770 |
10 | 48648987 |
11 | 25508782 |
12 | 14361423 |
13 | a1044aa |
14 | 6665319 |
15 | 440e7ac |
hex | 2e6531b |
48648987 has 24 divisors (see below), whose sum is σ = 75029760. Its totient is φ = 30285360.
The previous prime is 48648967. The next prime is 48648991. The reversal of 48648987 is 78984684.
48648987 is a `hidden beast` number, since 4 + 86 + 489 + 87 = 666.
It is not a de Polignac number, because 48648987 - 26 = 48648923 is a prime.
It is a super-2 number, since 2×486489872 = 4733447872252338, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (48648967) 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, 10138 + ... + 14144.
It is an arithmetic number, because the mean of its divisors is an integer number (3126240).
Almost surely, 248648987 is an apocalyptic number.
48648987 is a deficient number, since it is larger than the sum of its proper divisors (26380773).
48648987 is a wasteful number, since it uses less digits than its factorization.
48648987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4103 (or 4100 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 54.
The square root of 48648987 is about 6974.8825796568. The cubic root of 48648987 is about 365.0546912480.
The spelling of 48648987 in words is "forty-eight million, six hundred forty-eight thousand, nine hundred eighty-seven".
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