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49065993 = 345910267
BaseRepresentation
bin1011101100101…
…1000000001001
310102022210220000
42323023000021
5100030102433
64511353213
71134024354
oct273130011
9112283800
1049065993
1125773009
1214522809
13a21c242
14673329b
154493113
hex2ecb009

49065993 has 20 divisors (see below), whose sum is σ = 74545680. Its totient is φ = 32153112.

The previous prime is 49065977. The next prime is 49065997. The reversal of 49065993 is 39956094.

It is a happy number.

It is not a de Polignac number, because 49065993 - 24 = 49065977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49065997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 355 + ... + 9912.

It is an arithmetic number, because the mean of its divisors is an integer number (3727284).

Almost surely, 249065993 is an apocalyptic number.

It is an amenable number.

49065993 is a deficient number, since it is larger than the sum of its proper divisors (25479687).

49065993 is a wasteful number, since it uses less digits than its factorization.

49065993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338 (or 10329 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 49065993 is about 7004.7121996553. The cubic root of 49065993 is about 366.0947752410.

The spelling of 49065993 in words is "forty-nine million, sixty-five thousand, nine hundred ninety-three".

Divisors: 1 3 9 27 59 81 177 531 1593 4779 10267 30801 92403 277209 605753 831627 1817259 5451777 16355331 49065993