Search a number
-
+
5400144 = 243237501
BaseRepresentation
bin10100100110011001010000
3101011100121100
4110212121100
52340301034
6311424400
763620601
oct24463120
911140540
105400144
113059232
121985100
131170c69
14a07da8
1571a099
hex526650

5400144 has 30 divisors (see below), whose sum is σ = 15113306. Its totient is φ = 1800000.

The previous prime is 5400137. The next prime is 5400209. The reversal of 5400144 is 4410045.

It can be written as a sum of positive squares in only one way, i.e., 4359744 + 1040400 = 2088^2 + 1020^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18607 + ... + 18894.

Almost surely, 25400144 is an apocalyptic number.

It is an amenable number.

5400144 is an abundant number, since it is smaller than the sum of its proper divisors (9713162).

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

5400144 is a wasteful number, since it uses less digits than its factorization.

5400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37515 (or 37506 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5400144 is about 2323.8209913847. The cubic root of 5400144 is about 175.4426237550.

Adding to 5400144 its reverse (4410045), we get a palindrome (9810189).

Subtracting from 5400144 its reverse (4410045), we obtain a palindrome (990099).

It can be divided in two parts, 54001 and 44, that added together give a palindrome (54045).

The spelling of 5400144 in words is "five million, four hundred thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 37501 75002 112503 150004 225006 300008 337509 450012 600016 675018 900024 1350036 1800048 2700072 5400144