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49994671 = 172940863
BaseRepresentation
bin1011111010110…
…1101110101111
310111001222210111
42332231232233
5100244312141
64543320451
71144643026
oct276555657
9114058714
1049994671
1126247811
12148b0127
13a485b5c
1468d58bd
1545c8381
hex2fadbaf

49994671 has 4 divisors (see below), whose sum is σ = 52935552. Its totient is φ = 47053792.

The previous prime is 49994647. The next prime is 49994687. The reversal of 49994671 is 17649994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17649994 = 28824997.

It is a cyclic number.

It is not a de Polignac number, because 49994671 - 27 = 49994543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49994641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470415 + ... + 1470448.

It is an arithmetic number, because the mean of its divisors is an integer number (13233888).

Almost surely, 249994671 is an apocalyptic number.

49994671 is a deficient number, since it is larger than the sum of its proper divisors (2940881).

49994671 is a wasteful number, since it uses less digits than its factorization.

49994671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940880.

The product of its digits is 489888, while the sum is 49.

The square root of 49994671 is about 7070.6909846210. The cubic root of 49994671 is about 368.3900612631.

The spelling of 49994671 in words is "forty-nine million, nine hundred ninety-four thousand, six hundred seventy-one".

Divisors: 1 17 2940863 49994671