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4728025 = 52379499
BaseRepresentation
bin10010000010010011011001
322220012122001
4102002103121
52202244100
6245201001
755121221
oct22022331
98805561
104728025
11273a265
121700161
13c97063
148b1081
15635d6a
hex4824d9

4728025 has 12 divisors (see below), whose sum is σ = 5890000. Its totient is φ = 3764880.

The previous prime is 4728019. The next prime is 4728037. The reversal of 4728025 is 5208274.

It is not a de Polignac number, because 4728025 - 25 = 4727993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4727984 and 4728002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9226 + ... + 9724.

Almost surely, 24728025 is an apocalyptic number.

It is an amenable number.

4728025 is a deficient number, since it is larger than the sum of its proper divisors (1161975).

4728025 is a wasteful number, since it uses less digits than its factorization.

4728025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4728025 is about 2174.4022167023. The cubic root of 4728025 is about 167.8391435571.

Subtracting 4728025 from its reverse (5208274), we obtain a square (480249 = 6932).

The spelling of 4728025 in words is "four million, seven hundred twenty-eight thousand, twenty-five".

Divisors: 1 5 25 379 499 1895 2495 9475 12475 189121 945605 4728025