Search a number
-
+
50017044 = 223721121937
BaseRepresentation
bin1011111011001…
…1001100010100
310111010010111010
42332303030110
5100301021134
64544012220
71145065200
oct276631424
9114103433
1050017044
1126262600
1214901070
13a4930ac
1468ddb00
1545cece9
hex2fb3314

50017044 has 216 divisors, whose sum is σ = 161323680. Its totient is φ = 11975040.

The previous prime is 50017003. The next prime is 50017049. The reversal of 50017044 is 44071005.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 50017044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50017049) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1351794 + ... + 1351830.

Almost surely, 250017044 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 50017044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80661840).

50017044 is an abundant number, since it is smaller than the sum of its proper divisors (111306636).

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

50017044 is a wasteful number, since it uses less digits than its factorization.

50017044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 50017044 is about 7072.2729019743. The cubic root of 50017044 is about 368.4450055304.

Adding to 50017044 its reverse (44071005), we get a palindrome (94088049).

The spelling of 50017044 in words is "fifty million, seventeen thousand, forty-four".