Base | Representation |
---|---|
bin | 1100010001010… |
… | …1010111100100 |
3 | 10120211211110220 |
4 | 3010111113210 |
5 | 101133431443 |
6 | 5035044340 |
7 | 1163316513 |
oct | 304252744 |
9 | 116754426 |
10 | 51467748 |
11 | 27063532 |
12 | 152a06b0 |
13 | a8804b7 |
14 | 6b9a67a |
15 | 47b9a83 |
hex | 31155e4 |
51467748 has 12 divisors (see below), whose sum is σ = 120091440. Its totient is φ = 17155912.
The previous prime is 51467747. The next prime is 51467783. The reversal of 51467748 is 84776415.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (51467747) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144478 + ... + 2144501.
It is an arithmetic number, because the mean of its divisors is an integer number (10007620).
Almost surely, 251467748 is an apocalyptic number.
It is an amenable number.
51467748 is an abundant number, since it is smaller than the sum of its proper divisors (68623692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51467748 is a wasteful number, since it uses less digits than its factorization.
51467748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4288986 (or 4288984 counting only the distinct ones).
The product of its digits is 188160, while the sum is 42.
The square root of 51467748 is about 7174.1025919623. The cubic root of 51467748 is about 371.9732608830.
The spelling of 51467748 in words is "fifty-one million, four hundred sixty-seven thousand, seven hundred forty-eight".
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