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4728528 = 243274691
BaseRepresentation
bin10010000010011011010000
322220020022200
4102002123100
52202303103
6245203200
755122540
oct22023320
98806280
104728528
11273a682
121700500
13c9735c
148b1320
156360a3
hex4826d0

4728528 has 60 divisors (see below), whose sum is σ = 15127008. Its totient is φ = 1350720.

The previous prime is 4728527. The next prime is 4728539. The reversal of 4728528 is 8258274.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4728492 and 4728501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1338 + ... + 3353.

Almost surely, 24728528 is an apocalyptic number.

4728528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4728528 is an abundant number, since it is smaller than the sum of its proper divisors (10398480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4728528 is a wasteful number, since it uses less digits than its factorization.

4728528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712 (or 4703 counting only the distinct ones).

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

The square root of 4728528 is about 2174.5178775995. The cubic root of 4728528 is about 167.8450953090.

The spelling of 4728528 in words is "four million, seven hundred twenty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 4691 9382 14073 18764 28146 32837 37528 42219 56292 65674 75056 84438 98511 112584 131348 168876 197022 225168 262696 295533 337752 394044 525392 591066 675504 788088 1182132 1576176 2364264 4728528