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5478723 = 323173269
BaseRepresentation
bin10100111001100101000011
3101022100101200
4110321211003
52400304343
6313232243
764365645
oct24714503
911270350
105478723
113102278
121a02683
13119a963
14a28895
157334d3
hex539943

5478723 has 24 divisors (see below), whose sum is σ = 8311680. Its totient is φ = 3473280.

The previous prime is 5478719. The next prime is 5478731. The reversal of 5478723 is 3278745.

It is not a de Polignac number, because 5478723 - 22 = 5478719 is a prime.

It is an Ulam number.

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

It is not an unprimeable number, because it can be changed into a prime (5478703) 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 23 ways as a sum of consecutive naturals, for example, 20233 + ... + 20501.

It is an arithmetic number, because the mean of its divisors is an integer number (346320).

Almost surely, 25478723 is an apocalyptic number.

5478723 is a deficient number, since it is larger than the sum of its proper divisors (2832957).

5478723 is a wasteful number, since it uses less digits than its factorization.

5478723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 376 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 5478723 is about 2340.6672125700. The cubic root of 5478723 is about 176.2895007285.

The spelling of 5478723 in words is "five million, four hundred seventy-eight thousand, seven hundred twenty-three".

Divisors: 1 3 9 31 73 93 219 269 279 657 807 2263 2421 6789 8339 19637 20367 25017 58911 75051 176733 608747 1826241 5478723