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683670 = 235131753
BaseRepresentation
bin10100110111010010110
31021201211010
42212322112
5133334140
622353050
75545131
oct2467226
91251733
10683670
11427719
1228b786
131ac250
1413b218
15d7880
hexa6e96

683670 has 32 divisors (see below), whose sum is σ = 1768032. Its totient is φ = 168192.

The previous prime is 683653. The next prime is 683681. The reversal of 683670 is 76386.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

683670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 487 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (55251).

2683670 is an apocalyptic number.

683670 is an abundant number, since it is smaller than the sum of its proper divisors (1084362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683670 is a wasteful number, since it uses less digits than its factorization.

683670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 683670 is about 826.8433950876. The cubic root of 683670 is about 88.0945093450.

The spelling of 683670 in words is "six hundred eighty-three thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 1753 3506 5259 8765 10518 17530 22789 26295 45578 52590 68367 113945 136734 227890 341835 683670