Base | Representation |
---|---|
bin | 1100010001010… |
… | …1010111011110 |
3 | 10120211211110200 |
4 | 3010111113132 |
5 | 101133431432 |
6 | 5035044330 |
7 | 1163316504 |
oct | 304252736 |
9 | 116754420 |
10 | 51467742 |
11 | 27063527 |
12 | 152a06a6 |
13 | a8804b1 |
14 | 6b9a674 |
15 | 47b9a7c |
hex | 31155de |
51467742 has 24 divisors (see below), whose sum is σ = 111802080. Its totient is φ = 17111520.
The previous prime is 51467737. The next prime is 51467747. The reversal of 51467742 is 24776415.
It is an interprime number because it is at equal distance from previous prime (51467737) and next prime (51467747).
It is a junction number, because it is equal to n+sod(n) for n = 51467697 and 51467706.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 3867 + ... + 10857.
It is an arithmetic number, because the mean of its divisors is an integer number (4658420).
Almost surely, 251467742 is an apocalyptic number.
51467742 is an abundant number, since it is smaller than the sum of its proper divisors (60334338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51467742 is a wasteful number, since it uses less digits than its factorization.
51467742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7408 (or 7405 counting only the distinct ones).
The product of its digits is 47040, while the sum is 36.
The square root of 51467742 is about 7174.1021737915. The cubic root of 51467742 is about 371.9732464284.
The spelling of 51467742 in words is "fifty-one million, four hundred sixty-seven thousand, seven hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •