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49675638 = 2310181973
BaseRepresentation
bin1011110101111…
…1110101110110
310110110210011110
42331133311312
5100204110023
64532415450
71142143635
oct275376566
9113423143
1049675638
112604a051
1214777586
13a3a388c
14685151c
154563a93
hex2f5fd76

49675638 has 16 divisors (see below), whose sum is σ = 100336176. Its totient is φ = 16394400.

The previous prime is 49675627. The next prime is 49675651. The reversal of 49675638 is 83657694.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40381 + ... + 41592.

It is an arithmetic number, because the mean of its divisors is an integer number (6271011).

Almost surely, 249675638 is an apocalyptic number.

49675638 is an abundant number, since it is smaller than the sum of its proper divisors (50660538).

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

49675638 is a wasteful number, since it uses less digits than its factorization.

49675638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82079.

The product of its digits is 1088640, while the sum is 48.

The square root of 49675638 is about 7048.0946361410. The cubic root of 49675638 is about 367.6047810805.

The spelling of 49675638 in words is "forty-nine million, six hundred seventy-five thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 101 202 303 606 81973 163946 245919 491838 8279273 16558546 24837819 49675638