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49517953 = 53934301
BaseRepresentation
bin1011110011100…
…1010110000001
310110011202212021
42330321112001
5100134033303
64525201441
71140616132
oct274712601
9113152767
1049517953
1125a51631
1214700281
13a349b84
14680dc89
154531ebd
hex2f39581

49517953 has 4 divisors (see below), whose sum is σ = 50452308. Its totient is φ = 48583600.

The previous prime is 49517929. The next prime is 49517969. The reversal of 49517953 is 35971594.

49517953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31438449 + 18079504 = 5607^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 49517953 - 25 = 49517921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49517453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467098 + ... + 467203.

It is an arithmetic number, because the mean of its divisors is an integer number (12613077).

Almost surely, 249517953 is an apocalyptic number.

It is an amenable number.

49517953 is a deficient number, since it is larger than the sum of its proper divisors (934355).

49517953 is an equidigital number, since it uses as much as digits as its factorization.

49517953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934354.

The product of its digits is 170100, while the sum is 43.

The square root of 49517953 is about 7036.8993882249. The cubic root of 49517953 is about 367.2154071066.

The spelling of 49517953 in words is "forty-nine million, five hundred seventeen thousand, nine hundred fifty-three".

Divisors: 1 53 934301 49517953