Base | Representation |
---|---|
bin | 1011111010000… |
… | …1110011001101 |
3 | 10110222111202122 |
4 | 2332201303031 |
5 | 100241231210 |
6 | 4542302325 |
7 | 1144350410 |
oct | 276416315 |
9 | 113874678 |
10 | 49945805 |
11 | 26214028 |
12 | 148879a5 |
13 | a469840 |
14 | 68c1b77 |
15 | 45b8b55 |
hex | 2fa1ccd |
49945805 has 32 divisors (see below), whose sum is σ = 76167168. Its totient is φ = 30585600.
The previous prime is 49945799. The next prime is 49945807. The reversal of 49945805 is 50854994.
It is not a de Polignac number, because 49945805 - 214 = 49929421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49945807) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12335 + ... + 15875.
It is an arithmetic number, because the mean of its divisors is an integer number (2380224).
Almost surely, 249945805 is an apocalyptic number.
It is an amenable number.
49945805 is a deficient number, since it is larger than the sum of its proper divisors (26221363).
49945805 is a wasteful number, since it uses less digits than its factorization.
49945805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3597.
The product of its (nonzero) digits is 259200, while the sum is 44.
The square root of 49945805 is about 7067.2346076807. The cubic root of 49945805 is about 368.2699976865.
The spelling of 49945805 in words is "forty-nine million, nine hundred forty-five thousand, eight hundred five".
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