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11630580 = 22351323137
BaseRepresentation
bin101100010111…
…011111110100
3210212220011020
4230113133310
510434134310
61053141140
7200600253
oct54273764
923786136
1011630580
116624255
123a8a7b0
132542b00
14178a79a
15104b170
hexb177f4

11630580 has 144 divisors (see below), whose sum is σ = 37384704. Its totient is φ = 2695680.

The previous prime is 11630503. The next prime is 11630623. The reversal of 11630580 is 8503611.

It is a super-3 number, since 3×116305803 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11630580.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314322 + ... + 314358.

It is an arithmetic number, because the mean of its divisors is an integer number (259616).

Almost surely, 211630580 is an apocalyptic number.

11630580 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 11630580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18692352).

11630580 is an abundant number, since it is smaller than the sum of its proper divisors (25754124).

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

11630580 is a wasteful number, since it uses less digits than its factorization.

11630580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11630580 is about 3410.3636169769. The cubic root of 11630580 is about 226.5689842457.

The spelling of 11630580 in words is "eleven million, six hundred thirty thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 31 37 39 52 60 62 65 74 78 93 111 124 130 148 155 156 169 185 186 195 222 260 310 338 370 372 390 403 444 465 481 507 555 620 676 740 780 806 845 930 962 1014 1110 1147 1209 1443 1612 1690 1860 1924 2015 2028 2220 2294 2405 2418 2535 2886 3380 3441 4030 4588 4810 4836 5070 5239 5735 5772 6045 6253 6882 7215 8060 9620 10140 10478 11470 12090 12506 13764 14430 14911 15717 17205 18759 20956 22940 24180 25012 26195 28860 29822 31265 31434 34410 37518 44733 52390 59644 62530 62868 68820 74555 75036 78585 89466 93795 104780 125060 149110 157170 178932 187590 193843 223665 298220 314340 375180 387686 447330 581529 775372 894660 969215 1163058 1938430 2326116 2907645 3876860 5815290 11630580