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5431144 = 234011693
BaseRepresentation
bin10100101101111101101000
3101012221010111
4110231331220
52342244034
6312224104
764110145
oct24557550
911187114
105431144
11307a554
12199b034
1311820c4
14a153cc
15724364
hex52df68

5431144 has 16 divisors (see below), whose sum is σ = 10214820. Its totient is φ = 2707200.

The previous prime is 5431141. The next prime is 5431159. The reversal of 5431144 is 4411345.

It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 422500 = 2238^2 + 650^2 .

It is not an unprimeable number, because it can be changed into a prime (5431141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362 + ... + 4054.

Almost surely, 25431144 is an apocalyptic number.

It is an amenable number.

5431144 is a deficient number, since it is larger than the sum of its proper divisors (4783676).

5431144 is a wasteful number, since it uses less digits than its factorization.

5431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2096 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 5431144 is about 2330.4814953138. The cubic root of 5431144 is about 175.7776979832. Note that the first 3 decimals are identical.

Adding to 5431144 its reverse (4411345), we get a palindrome (9842489).

The spelling of 5431144 in words is "five million, four hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 401 802 1604 1693 3208 3386 6772 13544 678893 1357786 2715572 5431144