Search a number
-
+
49447816 = 2311561907
BaseRepresentation
bin1011110010100…
…0001110001000
310110001012122121
42330220032020
5100124312231
64523501024
71140204505
oct274501610
9113035577
1049447816
1125a03970
1214687774
13a323c82
1467d24ac
15451b311
hex2f28388

49447816 has 16 divisors (see below), whose sum is σ = 101143440. Its totient is φ = 22476240.

The previous prime is 49447793. The next prime is 49447829. The reversal of 49447816 is 61874494.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280866 + ... + 281041.

It is an arithmetic number, because the mean of its divisors is an integer number (6321465).

Almost surely, 249447816 is an apocalyptic number.

It is an amenable number.

49447816 is an abundant number, since it is smaller than the sum of its proper divisors (51695624).

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

49447816 is a wasteful number, since it uses less digits than its factorization.

49447816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561924 (or 561920 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 49447816 is about 7031.9141064151. The cubic root of 49447816 is about 367.0419511177.

It can be divided in two parts, 494478 and 16, that added together give a palindrome (494494).

The spelling of 49447816 in words is "forty-nine million, four hundred forty-seven thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 22 44 88 561907 1123814 2247628 4495256 6180977 12361954 24723908 49447816