Base | Representation |
---|---|
bin | 1011110011011… |
… | …1111100110000 |
3 | 10110011111000200 |
4 | 2330313330300 |
5 | 100133342430 |
6 | 4525115200 |
7 | 1140563361 |
oct | 274677460 |
9 | 113144020 |
10 | 49512240 |
11 | 25a48308 |
12 | 146b8b00 |
13 | a3473ab |
14 | 680bb68 |
15 | 4530460 |
hex | 2f37f30 |
49512240 has 60 divisors (see below), whose sum is σ = 166281024. Its totient is φ = 13203072.
The previous prime is 49512209. The next prime is 49512241. The reversal of 49512240 is 4221594.
It is a tau number, because it is divible by the number of its divisors (60).
It is not an unprimeable number, because it can be changed into a prime (49512241) 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, 33664 + ... + 35103.
Almost surely, 249512240 is an apocalyptic number.
49512240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49512240 is an abundant number, since it is smaller than the sum of its proper divisors (116768784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49512240 is a wasteful number, since it uses less digits than its factorization.
49512240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68786 (or 68777 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 49512240 is about 7036.4934448914. The cubic root of 49512240 is about 367.2012844018.
The spelling of 49512240 in words is "forty-nine million, five hundred twelve thousand, two hundred forty".
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