Search a number
-
+
50445130 = 255044513
BaseRepresentation
bin1100000001101…
…1101101001010
310111220212201011
43000123231022
5100403221010
65001114134
71151530231
oct300335512
9114825634
1050445130
112652519a
1214a8894a
13a5b2bb8
1469b1b18
154666a8a
hex301bb4a

50445130 has 8 divisors (see below), whose sum is σ = 90801252. Its totient is φ = 20178048.

The previous prime is 50445127. The next prime is 50445139. The reversal of 50445130 is 3154405.

It can be written as a sum of positive squares in 2 ways, for example, as 50083929 + 361201 = 7077^2 + 601^2 .

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

It is a super-2 number, since 2×504451302 = 5089422281433800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50445139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522247 + ... + 2522266.

Almost surely, 250445130 is an apocalyptic number.

50445130 is a deficient number, since it is larger than the sum of its proper divisors (40356122).

50445130 is a wasteful number, since it uses less digits than its factorization.

50445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044520.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50445130 is about 7102.4735127982. The cubic root of 50445130 is about 369.4931701907.

Adding to 50445130 its reverse (3154405), we get a palindrome (53599535).

The spelling of 50445130 in words is "fifty million, four hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 5044513 10089026 25222565 50445130