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628082141 = 372458789
BaseRepresentation
bin100101011011111…
…100010111011101
31121202211212201112
4211123330113131
52241242112031
6142153551405
721364416161
oct4533742735
91552755645
10628082141
112a2599455
12156415565
13a017b94b
145d5b6ca1
153a21862b
hex256fc5dd

628082141 has 6 divisors (see below), whose sum is σ = 645517530. Its totient is φ = 611105616.

The previous prime is 628082113. The next prime is 628082149. The reversal of 628082141 is 141280826.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 250557241 + 377524900 = 15829^2 + 19430^2 .

It is not a de Polignac number, because 628082141 - 210 = 628081117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 628082098 and 628082107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628082149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228026 + ... + 230763.

It is an arithmetic number, because the mean of its divisors is an integer number (107586255).

Almost surely, 2628082141 is an apocalyptic number.

It is an amenable number.

628082141 is a deficient number, since it is larger than the sum of its proper divisors (17435389).

628082141 is an equidigital number, since it uses as much as digits as its factorization.

628082141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458863 (or 458826 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 628082141 is about 25061.5670100654. The cubic root of 628082141 is about 856.3911059049.

The spelling of 628082141 in words is "six hundred twenty-eight million, eighty-two thousand, one hundred forty-one".

Divisors: 1 37 1369 458789 16975193 628082141