Base | Representation |
---|---|
bin | 1100001001011… |
… | …0001111111001 |
3 | 10112212101020100 |
4 | 3002112033321 |
5 | 101020301230 |
6 | 5015550013 |
7 | 1156020501 |
oct | 302261771 |
9 | 115771210 |
10 | 50947065 |
11 | 26838314 |
12 | 1508b309 |
13 | a72a4c0 |
14 | 6aa2a01 |
15 | 4715660 |
hex | 30963f9 |
50947065 has 48 divisors (see below), whose sum is σ = 96484752. Its totient is φ = 24717312.
The previous prime is 50947063. The next prime is 50947069. The reversal of 50947065 is 56074905.
It can be written as a sum of positive squares in 8 ways, for example, as 2547216 + 48399849 = 1596^2 + 6957^2 .
It is not a de Polignac number, because 50947065 - 21 = 50947063 is a prime.
It is a super-2 number, since 2×509470652 = 5191206864228450, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50947063) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42109 + ... + 43301.
It is an arithmetic number, because the mean of its divisors is an integer number (2010099).
Almost surely, 250947065 is an apocalyptic number.
It is an amenable number.
50947065 is a deficient number, since it is larger than the sum of its proper divisors (45537687).
50947065 is a wasteful number, since it uses less digits than its factorization.
50947065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290 (or 1287 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The square root of 50947065 is about 7137.7212750289. The cubic root of 50947065 is about 370.7146281116.
It can be divided in two parts, 509 and 47065, that added together give a palindrome (47574).
The spelling of 50947065 in words is "fifty million, nine hundred forty-seven thousand, sixty-five".
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