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11380860 = 22325232749
BaseRepresentation
bin101011011010…
…100001111100
3210102012121100
4223122201330
510403141420
61043533100
7165510231
oct53324174
923365540
1011380860
116473677
12398a190
13248624a
141723788
15eec190
hexada87c

11380860 has 72 divisors (see below), whose sum is σ = 36036000. Its totient is φ = 2901888.

The previous prime is 11380843. The next prime is 11380861. The reversal of 11380860 is 6808311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380861) 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, 2766 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (500500).

Almost surely, 211380860 is an apocalyptic number.

11380860 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 11380860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18018000).

11380860 is an abundant number, since it is smaller than the sum of its proper divisors (24655140).

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

11380860 is a wasteful number, since it uses less digits than its factorization.

11380860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11380860 is about 3373.5530231493. The cubic root of 11380860 is about 224.9356853216.

The spelling of 11380860 in words is "eleven million, three hundred eighty thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 115 138 180 207 230 276 345 414 460 690 828 1035 1380 2070 2749 4140 5498 8247 10996 13745 16494 24741 27490 32988 41235 49482 54980 63227 82470 98964 123705 126454 164940 189681 247410 252908 316135 379362 494820 569043 632270 758724 948405 1138086 1264540 1896810 2276172 2845215 3793620 5690430 11380860