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4782825 = 325229733
BaseRepresentation
bin10010001111101011101001
322222222210200
4102033223221
52211022300
6250302413
755440045
oct22175351
98888720
104782825
112777453
121727a09
13cb5c98
148c7025
15647200
hex48fae9

4782825 has 36 divisors (see below), whose sum is σ = 8874060. Its totient is φ = 2459520.

The previous prime is 4782823. The next prime is 4782829. The reversal of 4782825 is 5282874.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 168921 + 4613904 = 411^2 + 2148^2 .

It is not a de Polignac number, because 4782825 - 21 = 4782823 is a prime.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4782825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6159 + ... + 6891.

Almost surely, 24782825 is an apocalyptic number.

4782825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4782825 is a deficient number, since it is larger than the sum of its proper divisors (4091235).

4782825 is a wasteful number, since it uses less digits than its factorization.

4782825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 770 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4782825 is about 2186.9670779415. The cubic root of 4782825 is about 168.4850987829.

The spelling of 4782825 in words is "four million, seven hundred eighty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 29 45 75 87 145 225 261 435 725 733 1305 2175 2199 3665 6525 6597 10995 18325 21257 32985 54975 63771 106285 164925 191313 318855 531425 956565 1594275 4782825