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628206 = 23104701
BaseRepresentation
bin10011001010111101110
31011220201220
42121113232
5130100311
621244210
75224335
oct2312756
91156656
10628206
11399a87
12263666
1318cc27
14124d1c
15c6206
hex995ee

628206 has 8 divisors (see below), whose sum is σ = 1256424. Its totient is φ = 209400.

The previous prime is 628193. The next prime is 628207. The reversal of 628206 is 602826.

It is a sphenic number, since it is the product of 3 distinct primes.

628206 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628206.

It is not an unprimeable number, because it can be changed into a prime (628207) by changing a digit.

628206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52345 + ... + 52356.

It is an arithmetic number, because the mean of its divisors is an integer number (157053).

2628206 is an apocalyptic number.

628206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

628206 is a wasteful number, since it uses less digits than its factorization.

628206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104706.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 628206 is about 792.5944738642. The cubic root of 628206 is about 85.6447396193.

It can be divided in two parts, 62820 and 6, that added together give a palindrome (62826).

The spelling of 628206 in words is "six hundred twenty-eight thousand, two hundred six".

Divisors: 1 2 3 6 104701 209402 314103 628206