Base | Representation |
---|---|
bin | 1011101010000… |
… | …0010001101100 |
3 | 10101222220211100 |
4 | 2322200101230 |
5 | 100004002423 |
6 | 4503523100 |
7 | 1132365216 |
oct | 272402154 |
9 | 111886740 |
10 | 48890988 |
11 | 25663583 |
12 | 14459490 |
13 | a18a6a3 |
14 | 66c95b6 |
15 | 445b343 |
hex | 2ea046c |
48890988 has 18 divisors (see below), whose sum is σ = 123585644. Its totient is φ = 16296984.
The previous prime is 48890987. The next prime is 48891049. The reversal of 48890988 is 88909884.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×488909882 = 4780657415232288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (48890987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679006 + ... + 679077.
Almost surely, 248890988 is an apocalyptic number.
It is an amenable number.
48890988 is an abundant number, since it is smaller than the sum of its proper divisors (74694656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48890988 is a wasteful number, since it uses less digits than its factorization.
48890988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1358093 (or 1358088 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 54.
The square root of 48890988 is about 6992.2090929834. The cubic root of 48890988 is about 365.6590033684.
The spelling of 48890988 in words is "forty-eight million, eight hundred ninety thousand, nine hundred eighty-eight".
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