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545075 = 5221803
BaseRepresentation
bin10000101000100110011
31000200200222
42011010303
5114420300
615403255
74430066
oct2050463
91020628
10545075
11342583
1222352b
1316113b
141028dd
15ab785
hex85133

545075 has 6 divisors (see below), whose sum is σ = 675924. Its totient is φ = 436040.

The previous prime is 545063. The next prime is 545087. The reversal of 545075 is 570545.

It is an interprime number because it is at equal distance from previous prime (545063) and next prime (545087).

It is not a de Polignac number, because 545075 - 214 = 528691 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10877 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (112654).

2545075 is an apocalyptic number.

545075 is a deficient number, since it is larger than the sum of its proper divisors (130849).

545075 is a wasteful number, since it uses less digits than its factorization.

545075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21813 (or 21808 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 545075 is about 738.2919476738. The cubic root of 545075 is about 81.6868384620.

The spelling of 545075 in words is "five hundred forty-five thousand, seventy-five".

Divisors: 1 5 25 21803 109015 545075