Search a number
-
+
20144324 = 225036081
BaseRepresentation
bin100110011011…
…0000011000100
31101220102211002
41030312003010
520124104244
61555432432
7333136544
oct114660304
941812732
1020144324
1110409802
1268b5718
134234025
142965324
151b7da4e
hex13360c4

20144324 has 6 divisors (see below), whose sum is σ = 35252574. Its totient is φ = 10072160.

The previous prime is 20144321. The next prime is 20144347. The reversal of 20144324 is 42344102.

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 4000000 = 4018^2 + 2000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20144296 and 20144305.

It is not an unprimeable number, because it can be changed into a prime (20144321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518037 + ... + 2518044.

It is an arithmetic number, because the mean of its divisors is an integer number (5875429).

Almost surely, 220144324 is an apocalyptic number.

It is an amenable number.

20144324 is a deficient number, since it is larger than the sum of its proper divisors (15108250).

20144324 is a wasteful number, since it uses less digits than its factorization.

20144324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036085 (or 5036083 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20144324 is about 4488.2428633041. The cubic root of 20144324 is about 272.0931233910.

Adding to 20144324 its reverse (42344102), we get a palindrome (62488426).

The spelling of 20144324 in words is "twenty million, one hundred forty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 5036081 10072162 20144324