Search a number
-
+
628012 = 227112039
BaseRepresentation
bin10011001010100101100
31011220110201
42121110230
5130044022
621243244
75223640
oct2312454
91156421
10628012
11399920
12263524
1318cb08
14124c20
15c6127
hex9952c

628012 has 24 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 244560.

The previous prime is 627973. The next prime is 628013. The reversal of 628012 is 210826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628013) 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, 712 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (57120).

2628012 is an apocalyptic number.

It is an amenable number.

628012 is an abundant number, since it is smaller than the sum of its proper divisors (742868).

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

628012 is a wasteful number, since it uses less digits than its factorization.

628012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 628012 is about 792.4720815272. The cubic root of 628012 is about 85.6359225592.

Adding to 628012 its reverse (210826), we get a palindrome (838838).

The spelling of 628012 in words is "six hundred twenty-eight thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 2039 4078 8156 14273 22429 28546 44858 57092 89716 157003 314006 628012