Base | Representation |
---|---|
bin | 1011001111001… |
… | …1000000101000 |
3 | 10021200120221000 |
4 | 2303303000220 |
5 | 44031221322 |
6 | 4402115000 |
7 | 1111423104 |
oct | 263630050 |
9 | 107616830 |
10 | 47132712 |
11 | 24672560 |
12 | 1394ba60 |
13 | 99c32a3 |
14 | 638c904 |
15 | 42103ac |
hex | 2cf3028 |
47132712 has 128 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 14051520.
The previous prime is 47132699. The next prime is 47132713. The reversal of 47132712 is 21723174.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (47132713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197089 + ... + 197327.
It is an arithmetic number, because the mean of its divisors is an integer number (1134000).
Almost surely, 247132712 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 47132712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).
47132712 is an abundant number, since it is smaller than the sum of its proper divisors (98019288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47132712 is a wasteful number, since it uses less digits than its factorization.
47132712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348 (or 338 counting only the distinct ones).
The product of its digits is 2352, while the sum is 27.
The square root of 47132712 is about 6865.3267948438. The cubic root of 47132712 is about 361.2219586875.
Adding to 47132712 its reverse (21723174), we get a palindrome (68855886).
The spelling of 47132712 in words is "forty-seven million, one hundred thirty-two thousand, seven hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •