Base | Representation |
---|---|
bin | 1011010111011… |
… | …0011101010000 |
3 | 10022200221111001 |
4 | 2311312131100 |
5 | 44200433440 |
6 | 4421431344 |
7 | 1116124600 |
oct | 265663520 |
9 | 108627431 |
10 | 47671120 |
11 | 24a00022 |
12 | 13b6b554 |
13 | 9b51383 |
14 | 648cc00 |
15 | 42b9b9a |
hex | 2d76750 |
47671120 has 60 divisors (see below), whose sum is σ = 128941524. Its totient is φ = 16343040.
The previous prime is 47671109. The next prime is 47671121. The reversal of 47671120 is 2117674.
It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 33593616 = 3752^2 + 5796^2 .
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47671121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2161 + ... + 10000.
Almost surely, 247671120 is an apocalyptic number.
47671120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47671120 is an abundant number, since it is smaller than the sum of its proper divisors (81270404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47671120 is a wasteful number, since it uses less digits than its factorization.
47671120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12188 (or 12175 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 47671120 is about 6904.4275649760. The cubic root of 47671120 is about 362.5921953369.
Adding to 47671120 its reverse (2117674), we get a palindrome (49788794).
The spelling of 47671120 in words is "forty-seven million, six hundred seventy-one thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •