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628329 = 31316111
BaseRepresentation
bin10011001011001101001
31011220220110
42121121221
5130101304
621244533
75224602
oct2313151
91156813
10628329
1139a089
12263749
1318ccc0
14124da9
15c6289
hex99669

628329 has 8 divisors (see below), whose sum is σ = 902272. Its totient is φ = 386640.

The previous prime is 628319. The next prime is 628357. The reversal of 628329 is 923826.

628329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 628329 - 212 = 624233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 628296 and 628305.

It is not an unprimeable number, because it can be changed into a prime (628319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (112784).

2628329 is an apocalyptic number.

It is an amenable number.

628329 is a deficient number, since it is larger than the sum of its proper divisors (273943).

628329 is a wasteful number, since it uses less digits than its factorization.

628329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127.

The product of its digits is 5184, while the sum is 30.

The square root of 628329 is about 792.6720633402. The cubic root of 628329 is about 85.6503288769.

The spelling of 628329 in words is "six hundred twenty-eight thousand, three hundred twenty-nine".

Divisors: 1 3 13 39 16111 48333 209443 628329