Base | Representation |
---|---|
bin | 1011010100111… |
… | …1111101000100 |
3 | 10022101221011000 |
4 | 2311033331010 |
5 | 44130412122 |
6 | 4414213300 |
7 | 1114600032 |
oct | 265177504 |
9 | 108357130 |
10 | 47513412 |
11 | 24902591 |
12 | 13ab4230 |
13 | 9ac765b |
14 | 644b552 |
15 | 42880ac |
hex | 2d4ff44 |
47513412 has 48 divisors (see below), whose sum is σ = 123943680. Its totient is φ = 15740064.
The previous prime is 47513407. The next prime is 47513429. The reversal of 47513412 is 21431574.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17413 + ... + 19955.
It is an arithmetic number, because the mean of its divisors is an integer number (2582160).
Almost surely, 247513412 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 47513412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61971840).
47513412 is an abundant number, since it is smaller than the sum of its proper divisors (76430268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47513412 is a wasteful number, since it uses less digits than its factorization.
47513412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2729 (or 2721 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 47513412 is about 6892.9973161173. The cubic root of 47513412 is about 362.1919050045.
Adding to 47513412 its reverse (21431574), we get a palindrome (68944986).
The spelling of 47513412 in words is "forty-seven million, five hundred thirteen thousand, four hundred twelve".
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