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10729040 = 245731723
BaseRepresentation
bin101000111011…
…011001010000
3202012002110212
4220323121100
510221312130
61021543252
7160124000
oct50733120
922162425
1010729040
116068983
123714b28
1322b865a
1415d4000
15e1de95
hexa3b650

10729040 has 160 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3311616.

The previous prime is 10729027. The next prime is 10729049. The reversal of 10729040 is 4092701.

It is a super-3 number, since 3×107290403 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 10728997 and 10729015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10729049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466469 + ... + 466491.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

Almost surely, 210729040 is an apocalyptic number.

10729040 is a gapful number since it is divisible by the number (10) 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 10729040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

10729040 is an abundant number, since it is smaller than the sum of its proper divisors (21411760).

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

10729040 is a wasteful number, since it uses less digits than its factorization.

10729040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 10729040 is about 3275.5213325515. The cubic root of 10729040 is about 220.5567167446.

The spelling of 10729040 in words is "ten million, seven hundred twenty-nine thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 23 28 34 35 40 46 49 56 68 70 80 85 92 98 112 115 119 136 140 161 170 184 196 230 238 245 272 280 322 340 343 368 391 392 460 476 490 560 595 644 680 686 782 784 805 833 920 952 980 1127 1190 1288 1360 1372 1564 1610 1666 1715 1840 1904 1955 1960 2254 2380 2576 2737 2744 3128 3220 3332 3430 3910 3920 4165 4508 4760 5474 5488 5635 5831 6256 6440 6664 6860 7820 7889 8330 9016 9520 10948 11270 11662 12880 13328 13685 13720 15640 15778 16660 18032 19159 21896 22540 23324 27370 27440 29155 31280 31556 33320 38318 39445 43792 45080 46648 54740 58310 63112 66640 76636 78890 90160 93296 95795 109480 116620 126224 134113 153272 157780 191590 218960 233240 268226 306544 315560 383180 466480 536452 631120 670565 766360 1072904 1341130 1532720 2145808 2682260 5364520 10729040