Base | Representation |
---|---|
bin | 1011110011011… |
… | …1111011000100 |
3 | 10110011110212200 |
4 | 2330313323010 |
5 | 100133342012 |
6 | 4525114500 |
7 | 1140563145 |
oct | 274677304 |
9 | 113143780 |
10 | 49512132 |
11 | 25a4821a |
12 | 146b8a30 |
13 | a347327 |
14 | 680bacc |
15 | 45303dc |
hex | 2f37ec4 |
49512132 has 18 divisors (see below), whose sum is σ = 125155758. Its totient is φ = 16504032.
The previous prime is 49512131. The next prime is 49512137. The reversal of 49512132 is 23121594.
It can be written as a sum of positive squares in only one way, i.e., 49364676 + 147456 = 7026^2 + 384^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a junction number, because it is equal to n+sod(n) for n = 49512096 and 49512105.
It is not an unprimeable number, because it can be changed into a prime (49512131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687633 + ... + 687704.
Almost surely, 249512132 is an apocalyptic number.
It is an amenable number.
49512132 is an abundant number, since it is smaller than the sum of its proper divisors (75643626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49512132 is a wasteful number, since it uses less digits than its factorization.
49512132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1375347 (or 1375342 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 49512132 is about 7036.4857706102. The cubic root of 49512132 is about 367.2010174121.
The spelling of 49512132 in words is "forty-nine million, five hundred twelve thousand, one hundred thirty-two".
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