Search a number
-
+
49785984 = 2732231879
BaseRepresentation
bin1011110111101…
…0110010000000
310110200101112100
42331322302000
5100221122414
64535030400
71143113433
oct275726200
9113611470
1049785984
1126114a46
121480b400
13a411b81
14687d81a
154586609
hex2f7ac80

49785984 has 96 divisors (see below), whose sum is σ = 149572800. Its totient is φ = 15865344.

The previous prime is 49785949. The next prime is 49785991. The reversal of 49785984 is 48958794.

49785984 is a `hidden beast` number, since 49 + 7 + 8 + 598 + 4 = 666.

49785984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 49785984.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25557 + ... + 27435.

It is an arithmetic number, because the mean of its divisors is an integer number (1558050).

Almost surely, 249785984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49785984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74786400).

49785984 is an abundant number, since it is smaller than the sum of its proper divisors (99786816).

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

49785984 is a wasteful number, since it uses less digits than its factorization.

49785984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1907 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 49785984 is about 7055.9183668747. The cubic root of 49785984 is about 367.8767703337.

The spelling of 49785984 in words is "forty-nine million, seven hundred eighty-five thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 128 138 144 184 192 207 276 288 368 384 414 552 576 736 828 1104 1152 1472 1656 1879 2208 2944 3312 3758 4416 5637 6624 7516 8832 11274 13248 15032 16911 22548 26496 30064 33822 43217 45096 60128 67644 86434 90192 120256 129651 135288 172868 180384 240512 259302 270576 345736 360768 388953 518604 541152 691472 721536 777906 1037208 1082304 1382944 1555812 2074416 2164608 2765888 3111624 4148832 5531776 6223248 8297664 12446496 16595328 24892992 49785984