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628672753 is a prime number
BaseRepresentation
bin100101011110001…
…100100011110001
31121210221212220001
4211132030203301
52241420012003
6142214350001
721402426112
oct4536144361
91553855801
10628672753
112a2962165
1215665b301
13a0327717
145d6cc209
153a2d361d
hex2578c8f1

628672753 has 2 divisors, whose sum is σ = 628672754. Its totient is φ = 628672752.

The previous prime is 628672729. The next prime is 628672763. The reversal of 628672753 is 357276826.

628672753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 628655329 + 17424 = 25073^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 628672753 - 221 = 626575601 is a prime.

It is not a weakly prime, because it can be changed into another prime (628672763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314336376 + 314336377.

It is an arithmetic number, because the mean of its divisors is an integer number (314336377).

Almost surely, 2628672753 is an apocalyptic number.

It is an amenable number.

628672753 is a deficient number, since it is larger than the sum of its proper divisors (1).

628672753 is an equidigital number, since it uses as much as digits as its factorization.

628672753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 628672753 is about 25073.3474629934. The cubic root of 628672753 is about 856.6594553100.

The spelling of 628672753 in words is "six hundred twenty-eight million, six hundred seventy-two thousand, seven hundred fifty-three".