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10680280 = 23513192347
BaseRepresentation
bin101000101111…
…011111011000
3202002121120221
4220233133120
510213232110
61020525424
7156531562
oct50573730
922077527
1010680280
116035286
1236b0874
13229c3c0
1415c0332
15e0e7da
hexa2f7d8

10680280 has 128 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 3497472.

The previous prime is 10680253. The next prime is 10680281. The reversal of 10680280 is 8208601.

10680280 = 1152 + 1162 + ... + 3222.

It is a super-2 number, since 2×106802802 = 228136761756800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10680281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227217 + ... + 227263.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 210680280 is an apocalyptic number.

10680280 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 10680280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

10680280 is an abundant number, since it is smaller than the sum of its proper divisors (18350120).

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

10680280 is a wasteful number, since it uses less digits than its factorization.

10680280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 10680280 is about 3268.0697666972. The cubic root of 10680280 is about 220.2220897747. Note that the first 3 decimals are identical.

Adding to 10680280 its reverse (8208601), we get a palindrome (18888881).

The spelling of 10680280 in words is "ten million, six hundred eighty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 19 20 23 26 38 40 46 47 52 65 76 92 94 95 104 115 130 152 184 188 190 230 235 247 260 299 376 380 437 460 470 494 520 598 611 760 874 893 920 940 988 1081 1196 1222 1235 1495 1748 1786 1880 1976 2162 2185 2392 2444 2470 2990 3055 3496 3572 4324 4370 4465 4888 4940 5405 5681 5980 6110 7144 8648 8740 8930 9880 10810 11362 11609 11960 12220 14053 17480 17860 20539 21620 22724 23218 24440 28106 28405 35720 41078 43240 45448 46436 56212 56810 58045 70265 82156 92872 102695 112424 113620 116090 140530 164312 205390 227240 232180 267007 281060 410780 464360 534014 562120 821560 1068028 1335035 2136056 2670070 5340140 10680280