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5478789 = 34144543
BaseRepresentation
bin10100111001100110000101
3101022100111010
4110321212011
52400310124
6313232433
764366101
oct24714605
911270433
105478789
113102328
121a02719
13119a9b4
14a28901
15733529
hex539985

5478789 has 8 divisors (see below), whose sum is σ = 7483392. Its totient is φ = 3563360.

The previous prime is 5478787. The next prime is 5478817. The reversal of 5478789 is 9878745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5478789 - 21 = 5478787 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478787) 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 7 ways as a sum of consecutive naturals, for example, 22149 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (935424).

Almost surely, 25478789 is an apocalyptic number.

It is an amenable number.

5478789 is a deficient number, since it is larger than the sum of its proper divisors (2004603).

5478789 is a wasteful number, since it uses less digits than its factorization.

5478789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44587.

The product of its digits is 564480, while the sum is 48.

The square root of 5478789 is about 2340.6813110716. The cubic root of 5478789 is about 176.2902086222.

The spelling of 5478789 in words is "five million, four hundred seventy-eight thousand, seven hundred eighty-nine".

Divisors: 1 3 41 123 44543 133629 1826263 5478789