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10385880 = 2335235371
BaseRepresentation
bin100111100111…
…100111011000
3201112122202020
4213213213120
510124322010
61010334440
7154164351
oct47474730
921478666
1010385880
11595407a
12358a420
1321c83bb
141544d28
15da2470
hex9e79d8

10385880 has 128 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 2562560.

The previous prime is 10385867. The next prime is 10385923. The reversal of 10385880 is 8858301.

10385880 = T505 + T506 + ... + T575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146245 + ... + 146315.

It is an arithmetic number, because the mean of its divisors is an integer number (262440).

Almost surely, 210385880 is an apocalyptic number.

10385880 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 10385880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796160).

10385880 is an abundant number, since it is smaller than the sum of its proper divisors (23206440).

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

10385880 is a wasteful number, since it uses less digits than its factorization.

10385880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 10385880 is about 3222.7131426796. The cubic root of 10385880 is about 218.1797468238.

The spelling of 10385880 in words is "ten million, three hundred eighty-five thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 53 60 69 71 92 106 115 120 138 142 159 184 212 213 230 265 276 284 318 345 355 424 426 460 530 552 568 636 690 710 795 852 920 1060 1065 1219 1272 1380 1420 1590 1633 1704 2120 2130 2438 2760 2840 3180 3266 3657 3763 4260 4876 4899 6095 6360 6532 7314 7526 8165 8520 9752 9798 11289 12190 13064 14628 15052 16330 18285 18815 19596 22578 24380 24495 29256 30104 32660 36570 37630 39192 45156 48760 48990 56445 65320 73140 75260 86549 90312 97980 112890 146280 150520 173098 195960 225780 259647 346196 432745 451560 519294 692392 865490 1038588 1298235 1730980 2077176 2596470 3461960 5192940 10385880