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49404127 = 118741621
BaseRepresentation
bin1011110001110…
…1100011011111
310102221222201111
42330131203133
5100121413002
64522522451
71136633233
oct274354337
9112858644
1049404127
1125984063
1214666427
13a30a116
1467c05c3
15450d3d7
hex2f1d8df

49404127 has 4 divisors (see below), whose sum is σ = 49446936. Its totient is φ = 49361320.

The previous prime is 49404107. The next prime is 49404203. The reversal of 49404127 is 72140494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72140494 = 236070247.

It is a cyclic number.

It is not a de Polignac number, because 49404127 - 215 = 49371359 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49404107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19624 + ... + 21997.

It is an arithmetic number, because the mean of its divisors is an integer number (12361734).

Almost surely, 249404127 is an apocalyptic number.

49404127 is a deficient number, since it is larger than the sum of its proper divisors (42809).

49404127 is a wasteful number, since it uses less digits than its factorization.

49404127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42808.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 49404127 is about 7028.8069400148. The cubic root of 49404127 is about 366.9338208224.

The spelling of 49404127 in words is "forty-nine million, four hundred four thousand, one hundred twenty-seven".

Divisors: 1 1187 41621 49404127