Base | Representation |
---|---|
bin | 1011111000110… |
… | …1001010111001 |
3 | 10110211012212000 |
4 | 2332031022321 |
5 | 100231030210 |
6 | 4540411213 |
7 | 1143546144 |
oct | 276151271 |
9 | 113735760 |
10 | 49861305 |
11 | 2616659a |
12 | 14846b09 |
13 | a43a240 |
14 | 689d05b |
15 | 459dac0 |
hex | 2f8d2b9 |
49861305 has 32 divisors (see below), whose sum is σ = 95464320. Its totient is φ = 24546240.
The previous prime is 49861303. The next prime is 49861307. The reversal of 49861305 is 50316894.
It is an interprime number because it is at equal distance from previous prime (49861303) and next prime (49861307).
It is not a de Polignac number, because 49861305 - 21 = 49861303 is a prime.
It is a super-2 number, since 2×498613052 = 4972299472606050, which contains 22 as substring.
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 49861305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49861303) 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, 12451 + ... + 15960.
It is an arithmetic number, because the mean of its divisors is an integer number (2983260).
Almost surely, 249861305 is an apocalyptic number.
49861305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49861305 is a deficient number, since it is larger than the sum of its proper divisors (45603015).
49861305 is a wasteful number, since it uses less digits than its factorization.
49861305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28438 (or 28432 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 49861305 is about 7061.2537838545. The cubic root of 49861305 is about 368.0621965802.
The spelling of 49861305 in words is "forty-nine million, eight hundred sixty-one thousand, three hundred five".
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