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5440131 = 322932063
BaseRepresentation
bin10100110000001010000011
3101020101110100
4110300022003
52343041011
6312333443
764145304
oct24601203
911211410
105440131
113086284
1219a4283
131186218
14a187ab
15726d56
hex530283

5440131 has 12 divisors (see below), whose sum is σ = 7888608. Its totient is φ = 3612624.

The previous prime is 5440117. The next prime is 5440181. The reversal of 5440131 is 1310445.

It is a happy number.

It is not a de Polignac number, because 5440131 - 26 = 5440067 is a prime.

It is a super-2 number, since 2×54401312 = 59190050594322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5440111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (657384).

Almost surely, 25440131 is an apocalyptic number.

5440131 is a deficient number, since it is larger than the sum of its proper divisors (2448477).

5440131 is a wasteful number, since it uses less digits than its factorization.

5440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5440131 is about 2332.4088406624. The cubic root of 5440131 is about 175.8745986022.

Adding to 5440131 its reverse (1310445), we get a palindrome (6750576).

The spelling of 5440131 in words is "five million, four hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 9 293 879 2063 2637 6189 18567 604459 1813377 5440131