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5444231 = 13418787
BaseRepresentation
bin10100110001001010000111
3101020121002012
4110301022013
52343203411
6312404435
764163252
oct24611207
911217065
105444231
113089371
1219a671b
131188050
14a1a099
1572818b
hex531287

5444231 has 4 divisors (see below), whose sum is σ = 5863032. Its totient is φ = 5025432.

The previous prime is 5444221. The next prime is 5444237. The reversal of 5444231 is 1324445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324445 = 5264889.

It is a cyclic number.

It is not a de Polignac number, because 5444231 - 26 = 5444167 is a prime.

It is a super-2 number, since 2×54442312 = 59279302362722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5444197 and 5444206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444237) 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, 209381 + ... + 209406.

It is an arithmetic number, because the mean of its divisors is an integer number (1465758).

Almost surely, 25444231 is an apocalyptic number.

5444231 is a deficient number, since it is larger than the sum of its proper divisors (418801).

5444231 is a wasteful number, since it uses less digits than its factorization.

5444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418800.

The product of its digits is 1920, while the sum is 23.

The square root of 5444231 is about 2333.2875947898. The cubic root of 5444231 is about 175.9187706254.

Adding to 5444231 its reverse (1324445), we get a palindrome (6768676).

The spelling of 5444231 in words is "five million, four hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 13 418787 5444231