Base | Representation |
---|---|
bin | 1011010110011… |
… | …0101011001000 |
3 | 10022120122210200 |
4 | 2311212223020 |
5 | 44141401342 |
6 | 4420212200 |
7 | 1115435244 |
oct | 265465310 |
9 | 108518720 |
10 | 47606472 |
11 | 249664a1 |
12 | 13b3a060 |
13 | 9b2ab14 |
14 | 6473424 |
15 | 42a594c |
hex | 2d66ac8 |
47606472 has 24 divisors (see below), whose sum is σ = 128934390. Its totient is φ = 15868800.
The previous prime is 47606467. The next prime is 47606473. The reversal of 47606472 is 27460674.
47606472 is a `hidden beast` number, since 4 + 7 + 6 + 0 + 647 + 2 = 666.
47606472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 31877316 + 15729156 = 5646^2 + 3966^2 .
It is a tau number, because it is divible by the number of its divisors (24).
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 (47606473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330529 + ... + 330672.
Almost surely, 247606472 is an apocalyptic number.
It is an amenable number.
47606472 is an abundant number, since it is smaller than the sum of its proper divisors (81327918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47606472 is a wasteful number, since it uses less digits than its factorization.
47606472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661213 (or 661206 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 36.
The square root of 47606472 is about 6899.7443430898. The cubic root of 47606472 is about 362.4282144020.
The spelling of 47606472 in words is "forty-seven million, six hundred six thousand, four hundred seventy-two".
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