Base | Representation |
---|---|
bin | 1011101011010… |
… | …0000000011000 |
3 | 10102011000200101 |
4 | 2322310000120 |
5 | 100014044200 |
6 | 4505345144 |
7 | 1133152633 |
oct | 272640030 |
9 | 112130611 |
10 | 48971800 |
11 | 25709269 |
12 | 144981b4 |
13 | a1b83c7 |
14 | 670ac1a |
15 | 447526a |
hex | 2eb4018 |
48971800 has 24 divisors (see below), whose sum is σ = 113859900. Its totient is φ = 19588640.
The previous prime is 48971789. The next prime is 48971801. The reversal of 48971800 is 817984.
It is a self number, because there is not a number n which added to its sum of digits gives 48971800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48971801) 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, 122230 + ... + 122629.
Almost surely, 248971800 is an apocalyptic number.
48971800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48971800 is an abundant number, since it is smaller than the sum of its proper divisors (64888100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48971800 is a wasteful number, since it uses less digits than its factorization.
48971800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244875 (or 244866 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 48971800 is about 6997.9854243918. The cubic root of 48971800 is about 365.8603586054.
The spelling of 48971800 in words is "forty-eight million, nine hundred seventy-one thousand, eight hundred".
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