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49881960 = 2333546187
BaseRepresentation
bin1011111001001…
…0001101101000
310110212021012000
42332102031220
5100232210320
64541051000
71143663312
oct276221550
9113767160
1049881960
1126180067
1214856a60
13a44676b
1468a67b2
1545a4c90
hex2f92368

49881960 has 64 divisors (see below), whose sum is σ = 166276800. Its totient is φ = 13301568.

The previous prime is 49881947. The next prime is 49881967. The reversal of 49881960 is 6918894.

49881960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49881967) 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 15 ways as a sum of consecutive naturals, for example, 22014 + ... + 24173.

It is an arithmetic number, because the mean of its divisors is an integer number (2598075).

Almost surely, 249881960 is an apocalyptic number.

49881960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49881960 is an abundant number, since it is smaller than the sum of its proper divisors (116394840).

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

49881960 is a wasteful number, since it uses less digits than its factorization.

49881960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46207 (or 46197 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 49881960 is about 7062.7161913813. The cubic root of 49881960 is about 368.1130127068.

The spelling of 49881960 in words is "forty-nine million, eight hundred eighty-one thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 46187 92374 138561 184748 230935 277122 369496 415683 461870 554244 692805 831366 923740 1108488 1247049 1385610 1662732 1847480 2078415 2494098 2771220 3325464 4156830 4988196 5542440 6235245 8313660 9976392 12470490 16627320 24940980 49881960