Base | Representation |
---|---|
bin | 1011110001101… |
… | …0110010100101 |
3 | 10102221102012011 |
4 | 2330122302211 |
5 | 100121032210 |
6 | 4522354221 |
7 | 1136555230 |
oct | 274326245 |
9 | 112842164 |
10 | 49392805 |
11 | 25976600 |
12 | 1465b971 |
13 | a304c17 |
14 | 67ba417 |
15 | 4509d8a |
hex | 2f1aca5 |
49392805 has 48 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 30222720.
The previous prime is 49392793. The next prime is 49392809. The reversal of 49392805 is 50829394.
It is a happy number.
It is not a de Polignac number, because 49392805 - 25 = 49392773 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49392809) 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, 453091 + ... + 453199.
It is an arithmetic number, because the mean of its divisors is an integer number (1580040).
Almost surely, 249392805 is an apocalyptic number.
It is an amenable number.
49392805 is a deficient number, since it is larger than the sum of its proper divisors (26449115).
49392805 is a wasteful number, since it uses less digits than its factorization.
49392805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250 (or 239 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 40.
The square root of 49392805 is about 7028.0014940237. The cubic root of 49392805 is about 366.9057884672.
It can be divided in two parts, 4939 and 2805, that added together give a square (7744 = 882).
The spelling of 49392805 in words is "forty-nine million, three hundred ninety-two thousand, eight hundred five".
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