Base | Representation |
---|---|
bin | 1011001111101… |
… | …1111011000000 |
3 | 10021202110000000 |
4 | 2303323323000 |
5 | 44033403331 |
6 | 4403000000 |
7 | 1111634403 |
oct | 263737300 |
9 | 107673000 |
10 | 47169216 |
11 | 24697a26 |
12 | 13969000 |
13 | 9a06aa3 |
14 | 639bd3a |
15 | 421b0e6 |
hex | 2cfbec0 |
47169216 has 112 divisors (see below), whose sum is σ = 140797280. Its totient is φ = 15676416.
The previous prime is 47169209. The next prime is 47169217. The reversal of 47169216 is 61296174.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (47169217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139800 + ... + 140136.
Almost surely, 247169216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47169216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70398640).
47169216 is an abundant number, since it is smaller than the sum of its proper divisors (93628064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47169216 is an frugal number, since it uses more digits than its factorization.
47169216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370 (or 342 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 47169216 is about 6867.9848572926. The cubic root of 47169216 is about 361.3151893626.
It can be divided in two parts, 4716921 and 6, that multiplied together give a triangular number (28301526 = T7523).
The spelling of 47169216 in words is "forty-seven million, one hundred sixty-nine thousand, two hundred sixteen".
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