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546875 = 577
BaseRepresentation
bin10000101100000111011
31000210011122
42011200323
5120000000
615415455
74435250
oct2054073
91023148
10546875
1134396a
1222458b
13161bc4
14103427
15ac085
hex8583b

546875 has 16 divisors (see below), whose sum is σ = 781248. Its totient is φ = 375000.

The previous prime is 546869. The next prime is 546881. The reversal of 546875 is 578645.

Multipling 546875 by its sum of digits (35), we get a square (19140625 = 43752).

546875 divided by its sum of digits (35) gives a 6-th power (15625 = 56).

It is an interprime number because it is at equal distance from previous prime (546869) and next prime (546881).

It is an ABA number since it can be written as A⋅BA, here for A=7, B=5.

It is not a de Polignac number, because 546875 - 24 = 546859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 52 + 49 + 84 + 67 + 72 + 54 .

It is a Duffinian number.

Its product of digits (33600) is a multiple of the sum of its prime divisors (12).

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78122 + ... + 78128.

It is an arithmetic number, because the mean of its divisors is an integer number (48828).

546875 is a Friedman number, since it can be written as 7*5^(6-8+5+4), using all its digits and the basic arithmetic operations.

2546875 is an apocalyptic number.

546875 is a deficient number, since it is larger than the sum of its proper divisors (234373).

546875 is an frugal number, since it uses more digits than its factorization.

546875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42 (or 12 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 546875 is about 739.5099728875. The cubic root of 546875 is about 81.7766577547.

The spelling of 546875 in words is "five hundred forty-six thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 35 125 175 625 875 3125 4375 15625 21875 78125 109375 546875