Base | Representation |
---|---|
bin | 1011110001101… |
… | …1010111000010 |
3 | 10102221112101120 |
4 | 2330123113002 |
5 | 100121121023 |
6 | 4522413110 |
7 | 1136565102 |
oct | 274332702 |
9 | 112845346 |
10 | 49395138 |
11 | 25978331 |
12 | 14661196 |
13 | a305cc0 |
14 | 67bb202 |
15 | 450a8e3 |
hex | 2f1b5c2 |
49395138 has 16 divisors (see below), whose sum is σ = 106389696. Its totient is φ = 15198480.
The previous prime is 49395131. The next prime is 49395163. The reversal of 49395138 is 83159394.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 49395138.
It is not an unprimeable number, because it can be changed into a prime (49395131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316558 + ... + 316713.
It is an arithmetic number, because the mean of its divisors is an integer number (6649356).
Almost surely, 249395138 is an apocalyptic number.
49395138 is an abundant number, since it is smaller than the sum of its proper divisors (56994558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49395138 is a wasteful number, since it uses less digits than its factorization.
49395138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633289.
The product of its digits is 116640, while the sum is 42.
The square root of 49395138 is about 7028.1674709699. The cubic root of 49395138 is about 366.9115651367.
The spelling of 49395138 in words is "forty-nine million, three hundred ninety-five thousand, one hundred thirty-eight".
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