Base | Representation |
---|---|
bin | 1011101011001… |
… | …1110110110100 |
3 | 10102010222211201 |
4 | 2322303312310 |
5 | 100014034223 |
6 | 4505342244 |
7 | 1133151100 |
oct | 272636664 |
9 | 112128751 |
10 | 48971188 |
11 | 25708862 |
12 | 14497984 |
13 | a1b8046 |
14 | 670a900 |
15 | 4474ead |
hex | 2eb3db4 |
48971188 has 18 divisors (see below), whose sum is σ = 99691746. Its totient is φ = 20987568.
The previous prime is 48971183. The next prime is 48971191. The reversal of 48971188 is 88117984.
It can be written as a sum of positive squares in only one way, i.e., 48608784 + 362404 = 6972^2 + 602^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48971183) 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, 124731 + ... + 125122.
Almost surely, 248971188 is an apocalyptic number.
It is an amenable number.
48971188 is an abundant number, since it is smaller than the sum of its proper divisors (50720558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48971188 is a wasteful number, since it uses less digits than its factorization.
48971188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249871 (or 249862 counting only the distinct ones).
The product of its digits is 129024, while the sum is 46.
The square root of 48971188 is about 6997.9416973850. The cubic root of 48971188 is about 365.8588345482.
The spelling of 48971188 in words is "forty-eight million, nine hundred seventy-one thousand, one hundred eighty-eight".
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