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49938719 = 107466717
BaseRepresentation
bin1011111010000…
…0000100011111
310110222011001012
42332200010133
5100241014334
64542205435
71144320635
oct276400437
9113864035
1049938719
1126209776
121488387b
13a46654c
1468bd355
1545b69ce
hex2fa011f

49938719 has 4 divisors (see below), whose sum is σ = 50405544. Its totient is φ = 49471896.

The previous prime is 49938583. The next prime is 49938739. The reversal of 49938719 is 91783994.

49938719 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49938719 is a prime.

It is a super-2 number, since 2×499387192 = 4987751310721922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49938739) 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, 233252 + ... + 233465.

It is an arithmetic number, because the mean of its divisors is an integer number (12601386).

Almost surely, 249938719 is an apocalyptic number.

49938719 is a deficient number, since it is larger than the sum of its proper divisors (466825).

49938719 is a wasteful number, since it uses less digits than its factorization.

49938719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466824.

The product of its digits is 489888, while the sum is 50.

The square root of 49938719 is about 7066.7332622648. The cubic root of 49938719 is about 368.2525809110.

The spelling of 49938719 in words is "forty-nine million, nine hundred thirty-eight thousand, seven hundred nineteen".

Divisors: 1 107 466717 49938719