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49905894 = 2319437771
BaseRepresentation
bin1011111001100…
…0000011100110
310110220111000110
42332120003212
5100233442034
64541353450
71144123143
oct276300346
9113814013
1049905894
1126197045
1214868886
13a45461c
1468b13ca
1545abde9
hex2f980e6

49905894 has 16 divisors (see below), whose sum is σ = 105065280. Its totient is φ = 15759720.

The previous prime is 49905893. The next prime is 49905899. The reversal of 49905894 is 49850994.

49905894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49905893) 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 7 ways as a sum of consecutive naturals, for example, 218772 + ... + 218999.

It is an arithmetic number, because the mean of its divisors is an integer number (6566580).

Almost surely, 249905894 is an apocalyptic number.

49905894 is an abundant number, since it is smaller than the sum of its proper divisors (55159386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49905894 is a wasteful number, since it uses less digits than its factorization.

49905894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437795.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 49905894 is about 7064.4103787931. The cubic root of 49905894 is about 368.1718783976.

The spelling of 49905894 in words is "forty-nine million, nine hundred five thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 437771 875542 1313313 2626626 8317649 16635298 24952947 49905894