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675205 = 5831627
BaseRepresentation
bin10100100110110000101
31021022012121
42210312011
5133101310
622245541
75511346
oct2446605
91238177
10675205
11421323
122868b1
131a843b
141380cd
15d50da
hexa4d85

675205 has 8 divisors (see below), whose sum is σ = 820512. Its totient is φ = 533328.

The previous prime is 675197. The next prime is 675221. The reversal of 675205 is 502576.

It is a happy number.

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 675205 - 23 = 675197 is a prime.

It is an Ulam number.

It is a Duffinian number.

675205 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 675205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (102564).

2675205 is an apocalyptic number.

It is an amenable number.

675205 is a deficient number, since it is larger than the sum of its proper divisors (145307).

675205 is a wasteful number, since it uses less digits than its factorization.

675205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 675205 is about 821.7085858137. The cubic root of 675205 is about 87.7294115977.

The spelling of 675205 in words is "six hundred seventy-five thousand, two hundred five".

Divisors: 1 5 83 415 1627 8135 135041 675205