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49782668 = 2213273643
BaseRepresentation
bin1011110111100…
…1111110001100
310110200012222112
42331321332030
5100221021133
64535003152
71143100655
oct275717614
9113605875
1049782668
1126112501
12148094b8
13a410500
14687c52c
154585648
hex2f79f8c

49782668 has 18 divisors (see below), whose sum is σ = 94337964. Its totient is φ = 22976304.

The previous prime is 49782661. The next prime is 49782671. The reversal of 49782668 is 86628794.

It is not an unprimeable number, because it can be changed into a prime (49782661) 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 5 ways as a sum of consecutive naturals, for example, 36146 + ... + 37497.

It is an arithmetic number, because the mean of its divisors is an integer number (5240998).

Almost surely, 249782668 is an apocalyptic number.

It is an amenable number.

49782668 is a deficient number, since it is larger than the sum of its proper divisors (44555296).

49782668 is a wasteful number, since it uses less digits than its factorization.

49782668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73673 (or 73658 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 49782668 is about 7055.6833829190. The cubic root of 49782668 is about 367.8686026638.

The spelling of 49782668 in words is "forty-nine million, seven hundred eighty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 169 338 676 73643 147286 294572 957359 1914718 3829436 12445667 24891334 49782668