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5531943 = 31843981
BaseRepresentation
bin10101000110100100100111
3101102001101210
4111012210213
52404010233
6314322503
765010054
oct25064447
911361353
105531943
11313925a
121a29433
1311b8c51
14a4002b
15744163
hex546927

5531943 has 4 divisors (see below), whose sum is σ = 7375928. Its totient is φ = 3687960.

The previous prime is 5531927. The next prime is 5532019. The reversal of 5531943 is 3491355.

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

It is not a de Polignac number, because 5531943 - 24 = 5531927 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5531943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921988 + ... + 921993.

It is an arithmetic number, because the mean of its divisors is an integer number (1843982).

Almost surely, 25531943 is an apocalyptic number.

5531943 is a deficient number, since it is larger than the sum of its proper divisors (1843985).

5531943 is a wasteful number, since it uses less digits than its factorization.

5531943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843984.

The product of its digits is 8100, while the sum is 30.

The square root of 5531943 is about 2352.0082908017. The cubic root of 5531943 is about 176.8584843507.

The spelling of 5531943 in words is "five million, five hundred thirty-one thousand, nine hundred forty-three".

Divisors: 1 3 1843981 5531943