Search a number
-
+
49721862 = 238286977
BaseRepresentation
bin1011110110101…
…1001000000110
310110120010120110
42331223020012
5100212044422
64533413450
71142425461
oct275531006
9113503513
1049721862
1126080853
121479a286
13a3bb928
1468642d8
15457260c
hex2f6b206

49721862 has 8 divisors (see below), whose sum is σ = 99443736. Its totient is φ = 16573952.

The previous prime is 49721851. The next prime is 49721869. The reversal of 49721862 is 26812794.

49721862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

49721862 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 49721862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49721869) 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 3 ways as a sum of consecutive naturals, for example, 4143483 + ... + 4143494.

It is an arithmetic number, because the mean of its divisors is an integer number (12430467).

Almost surely, 249721862 is an apocalyptic number.

49721862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49721862 is a wasteful number, since it uses less digits than its factorization.

49721862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286982.

The product of its digits is 48384, while the sum is 39.

The square root of 49721862 is about 7051.3730577810. The cubic root of 49721862 is about 367.7187665022.

The spelling of 49721862 in words is "forty-nine million, seven hundred twenty-one thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 8286977 16573954 24860931 49721862