Base | Representation |
---|---|
bin | 1011011010011… |
… | …1000010010100 |
3 | 10100002001102200 |
4 | 2312213002110 |
5 | 44223320400 |
6 | 4430004500 |
7 | 1120613655 |
oct | 266470224 |
9 | 110061380 |
10 | 47870100 |
11 | 25026573 |
12 | 14046730 |
13 | 9bc0b05 |
14 | 650152c |
15 | 4308b00 |
hex | 2da7094 |
47870100 has 54 divisors (see below), whose sum is σ = 150048990. Its totient is φ = 12765120.
The previous prime is 47870099. The next prime is 47870131. The reversal of 47870100 is 107874.
It can be written as a sum of positive squares in 3 ways, for example, as 13927824 + 33942276 = 3732^2 + 5826^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25695 + ... + 27494.
It is an arithmetic number, because the mean of its divisors is an integer number (2778685).
Almost surely, 247870100 is an apocalyptic number.
It is an amenable number.
47870100 is an abundant number, since it is smaller than the sum of its proper divisors (102178890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47870100 is a wasteful number, since it uses less digits than its factorization.
47870100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53209 (or 53199 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 47870100 is about 6918.8221540953. The cubic root of 47870100 is about 363.0959835427.
Adding to 47870100 its reverse (107874), we get a palindrome (47977974).
The spelling of 47870100 in words is "forty-seven million, eight hundred seventy thousand, one hundred".
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