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628052 = 22157013
BaseRepresentation
bin10011001010101010100
31011220112012
42121111110
5130044202
621243352
75224025
oct2312524
91156465
10628052
11399957
12263558
1318cb39
14124c4c
15c6152
hex99554

628052 has 6 divisors (see below), whose sum is σ = 1099098. Its totient is φ = 314024.

The previous prime is 628051. The next prime is 628057. The reversal of 628052 is 250826.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 59536 = 754^2 + 244^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78503 + ... + 78510.

It is an arithmetic number, because the mean of its divisors is an integer number (183183).

2628052 is an apocalyptic number.

It is an amenable number.

628052 is a deficient number, since it is larger than the sum of its proper divisors (471046).

628052 is a wasteful number, since it uses less digits than its factorization.

628052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157017 (or 157015 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 628052 is about 792.4973186075. The cubic root of 628052 is about 85.6377406584.

Adding to 628052 its reverse (250826), we get a palindrome (878878).

The spelling of 628052 in words is "six hundred twenty-eight thousand, fifty-two".

Divisors: 1 2 4 157013 314026 628052