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4728856 = 23111729109
BaseRepresentation
bin10010000010100000011000
322220020202211
4102002200120
52202310411
6245204504
755123516
oct22024030
98806684
104728856
11273a950
121700734
13c97552
148b14b6
15636221
hex482818

4728856 has 64 divisors (see below), whose sum is σ = 10692000. Its totient is φ = 1935360.

The previous prime is 4728799. The next prime is 4728883. The reversal of 4728856 is 6588274.

It is a d-powerful number, because it can be written as 410 + 77 + 219 + 82 + 86 + 58 + 68 .

Its product of digits (107520) is a multiple of the sum of its prime divisors (168).

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43330 + ... + 43438.

Almost surely, 24728856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4728856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5346000).

4728856 is an abundant number, since it is smaller than the sum of its proper divisors (5963144).

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

4728856 is a wasteful number, since it uses less digits than its factorization.

4728856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 168 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 4728856 is about 2174.5932953083. The cubic root of 4728856 is about 167.8489761445.

The spelling of 4728856 in words is "four million, seven hundred twenty-eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 17 22 29 34 44 58 68 88 109 116 136 187 218 232 319 374 436 493 638 748 872 986 1199 1276 1496 1853 1972 2398 2552 3161 3706 3944 4796 5423 6322 7412 9592 10846 12644 14824 20383 21692 25288 34771 40766 43384 53737 69542 81532 107474 139084 163064 214948 278168 429896 591107 1182214 2364428 4728856