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5543489 = 7791927
BaseRepresentation
bin10101001001011001000001
3101102122020102
4111021121001
52404342424
6314452145
765055530
oct25113101
911378212
105543489
1131469a6
121a34055
1311c1293
14a44317
157477ae
hex549641

5543489 has 4 divisors (see below), whose sum is σ = 6335424. Its totient is φ = 4751556.

The previous prime is 5543477. The next prime is 5543491. The reversal of 5543489 is 9843455.

It is a happy number.

5543489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9843455 = 51968691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5543489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5543449) 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, 395957 + ... + 395970.

It is an arithmetic number, because the mean of its divisors is an integer number (1583856).

Almost surely, 25543489 is an apocalyptic number.

It is an amenable number.

5543489 is a deficient number, since it is larger than the sum of its proper divisors (791935).

5543489 is an equidigital number, since it uses as much as digits as its factorization.

5543489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791934.

The product of its digits is 86400, while the sum is 38.

The square root of 5543489 is about 2354.4615095601. The cubic root of 5543489 is about 176.9814422967.

The spelling of 5543489 in words is "five million, five hundred forty-three thousand, four hundred eighty-nine".

Divisors: 1 7 791927 5543489