Base | Representation |
---|---|
bin | 1011010111010… |
… | …0000101000000 |
3 | 10022200110010011 |
4 | 2311310011000 |
5 | 44200131001 |
6 | 4421314304 |
7 | 1116054310 |
oct | 265640500 |
9 | 108613104 |
10 | 47661376 |
11 | 249a3774 |
12 | 13b65994 |
13 | 9b49ac9 |
14 | 6489440 |
15 | 42b6d51 |
hex | 2d74140 |
47661376 has 56 divisors (see below), whose sum is σ = 108850176. Its totient is φ = 20282880.
The previous prime is 47661349. The next prime is 47661379. The reversal of 47661376 is 67316674.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47661379) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85290 + ... + 85846.
Almost surely, 247661376 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 47661376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54425088).
47661376 is an abundant number, since it is smaller than the sum of its proper divisors (61188800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47661376 is a wasteful number, since it uses less digits than its factorization.
47661376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 767 (or 757 counting only the distinct ones).
The product of its digits is 127008, while the sum is 40.
The square root of 47661376 is about 6903.7218947463. The cubic root of 47661376 is about 362.5674889801.
The spelling of 47661376 in words is "forty-seven million, six hundred sixty-one thousand, three hundred seventy-six".
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