Base | Representation |
---|---|
bin | 1011010000000… |
… | …0011000001100 |
3 | 10021210101001000 |
4 | 2310000120030 |
5 | 44034444333 |
6 | 4403220300 |
7 | 1112041536 |
oct | 264003014 |
9 | 107711030 |
10 | 47187468 |
11 | 246aa709 |
12 | 13977690 |
13 | 9a121a3 |
14 | 63a4856 |
15 | 4221713 |
hex | 2d0060c |
47187468 has 36 divisors (see below), whose sum is σ = 122523240. Its totient is φ = 15705360.
The previous prime is 47187463. The next prime is 47187521. The reversal of 47187468 is 86478174.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
47187468 is a `hidden beast` number, since 4 + 7 + 187 + 468 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (47187463) 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, 71058 + ... + 71718.
Almost surely, 247187468 is an apocalyptic number.
It is an amenable number.
47187468 is an abundant number, since it is smaller than the sum of its proper divisors (75335772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47187468 is an equidigital number, since it uses as much as digits as its factorization.
47187468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1335 (or 666 counting only the distinct ones).
The product of its digits is 301056, while the sum is 45.
The square root of 47187468 is about 6869.3135028182. The cubic root of 47187468 is about 361.3617866632.
The spelling of 47187468 in words is "forty-seven million, one hundred eighty-seven thousand, four hundred sixty-eight".
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