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10728432 = 24321113521
BaseRepresentation
bin101000111011…
…001111110000
3202012001122100
4220323033300
510221302212
61021540400
7160122141
oct50731760
922161570
1010728432
116068480
123714700
1322b82b0
1415d3ac8
15e1dbdc
hexa3b3f0

10728432 has 120 divisors (see below), whose sum is σ = 35341488. Its totient is φ = 2995200.

The previous prime is 10728427. The next prime is 10728433. The reversal of 10728432 is 23482701.

It is a junction number, because it is equal to n+sod(n) for n = 10728396 and 10728405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10728433) 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 23 ways as a sum of consecutive naturals, for example, 20332 + ... + 20852.

Almost surely, 210728432 is an apocalyptic number.

10728432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10728432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17670744).

10728432 is an abundant number, since it is smaller than the sum of its proper divisors (24613056).

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

10728432 is a wasteful number, since it uses less digits than its factorization.

10728432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 10728432 is about 3275.4285215831. The cubic root of 10728432 is about 220.5525504503.

The spelling of 10728432 in words is "ten million, seven hundred twenty-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 33 36 39 44 48 52 66 72 78 88 99 104 117 132 143 144 156 176 198 208 234 264 286 312 396 429 468 521 528 572 624 792 858 936 1042 1144 1287 1563 1584 1716 1872 2084 2288 2574 3126 3432 4168 4689 5148 5731 6252 6773 6864 8336 9378 10296 11462 12504 13546 17193 18756 20319 20592 22924 25008 27092 34386 37512 40638 45848 51579 54184 60957 68772 74503 75024 81276 91696 103158 108368 121914 137544 149006 162552 206316 223509 243828 275088 298012 325104 412632 447018 487656 596024 670527 825264 894036 975312 1192048 1341054 1788072 2682108 3576144 5364216 10728432