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13882680 = 2332572787
BaseRepresentation
bin110100111101…
…010100111000
3222010022110100
4310331110320
512023221210
61213315400
7226000200
oct64752470
928108410
1013882680
117922299
124795b60
132b50c06
141bb5400
1513435c0
hexd3d538

13882680 has 144 divisors (see below), whose sum is σ = 52551720. Its totient is φ = 3169152.

The previous prime is 13882657. The next prime is 13882681. The reversal of 13882680 is 8628831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13882681) 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 35 ways as a sum of consecutive naturals, for example, 17247 + ... + 18033.

Almost surely, 213882680 is an apocalyptic number.

13882680 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 13882680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26275860).

13882680 is an abundant number, since it is smaller than the sum of its proper divisors (38669040).

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

13882680 is a wasteful number, since it uses less digits than its factorization.

13882680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 13882680 is about 3725.9468595244. The cubic root of 13882680 is about 240.3391039764.

The spelling of 13882680 in words is "thirteen million, eight hundred eighty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 245 252 280 294 315 360 392 420 441 490 504 588 630 735 787 840 882 980 1176 1260 1470 1574 1764 1960 2205 2361 2520 2940 3148 3528 3935 4410 4722 5509 5880 6296 7083 7870 8820 9444 11018 11805 14166 15740 16527 17640 18888 22036 23610 27545 28332 31480 33054 35415 38563 44072 47220 49581 55090 56664 66108 70830 77126 82635 94440 99162 110180 115689 132216 141660 154252 165270 192815 198324 220360 231378 247905 283320 308504 330540 347067 385630 396648 462756 495810 578445 661080 694134 771260 925512 991620 1156890 1388268 1542520 1735335 1983240 2313780 2776536 3470670 4627560 6941340 13882680