Search a number
-
+
49490784 = 253373167
BaseRepresentation
bin1011110011001…
…0101101100000
310110010101121000
42330302231200
5100132201114
64524432000
71140444000
oct274625540
9113111530
1049490784
1125a33182
12146a8600
13a33a6b5
146804000
154528e09
hex2f32b60

49490784 has 192 divisors, whose sum is σ = 169344000. Its totient is φ = 14055552.

The previous prime is 49490773. The next prime is 49490803. The reversal of 49490784 is 48709494.

49490784 is a `hidden beast` number, since 494 + 90 + 78 + 4 = 666.

49490784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 296269 + ... + 296435.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 249490784 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 49490784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

49490784 is an abundant number, since it is smaller than the sum of its proper divisors (119853216).

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

49490784 is a wasteful number, since it uses less digits than its factorization.

49490784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 49490784 is about 7034.9686566466. The cubic root of 49490784 is about 367.1482348320.

The spelling of 49490784 in words is "forty-nine million, four hundred ninety thousand, seven hundred eighty-four".