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5442431 = 17320143
BaseRepresentation
bin10100110000101101111111
3101020111121112
4110300231333
52343124211
6312352235
764155101
oct24605577
911214545
105442431
113087a85
1219a567b
131187297
14a19571
1572788b
hex530b7f

5442431 has 4 divisors (see below), whose sum is σ = 5762592. Its totient is φ = 5122272.

The previous prime is 5442427. The next prime is 5442449. The reversal of 5442431 is 1342445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5442431 - 22 = 5442427 is a prime.

It is a super-2 number, since 2×54424312 = 59240110379522, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5 + 46 + 48 + 219 + 48 + 314 + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 5442397 and 5442406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442461) 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, 160055 + ... + 160088.

It is an arithmetic number, because the mean of its divisors is an integer number (1440648).

Almost surely, 25442431 is an apocalyptic number.

5442431 is a deficient number, since it is larger than the sum of its proper divisors (320161).

5442431 is a wasteful number, since it uses less digits than its factorization.

5442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320160.

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

The square root of 5442431 is about 2332.9018410555. The cubic root of 5442431 is about 175.8993807617.

Adding to 5442431 its reverse (1342445), we get a palindrome (6784876).

The spelling of 5442431 in words is "five million, four hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 17 320143 5442431