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12303480 = 2335797151
BaseRepresentation
bin101110111011…
…110001111000
3212011002012110
4232323301320
511122202410
61115412320
7206402130
oct56736170
925132173
1012303480
116a43872
1241540a0
13271a187
1418c3ac0
151130720
hexbbbc78

12303480 has 128 divisors (see below), whose sum is σ = 42900480. Its totient is φ = 2764800.

The previous prime is 12303479. The next prime is 12303503. The reversal of 12303480 is 8430321.

It is a happy number.

It is a super-2 number, since 2×123034802 = 302751240220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 81405 + ... + 81555.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 212303480 is an apocalyptic number.

12303480 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 12303480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21450240).

12303480 is an abundant number, since it is smaller than the sum of its proper divisors (30597000).

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

12303480 is a wasteful number, since it uses less digits than its factorization.

12303480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12303480 is about 3507.6316796380. The cubic root of 12303480 is about 230.8567917297.

The spelling of 12303480 in words is "twelve million, three hundred three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 97 105 120 140 151 168 194 210 280 291 302 388 420 453 485 582 604 679 755 776 840 906 970 1057 1164 1208 1358 1455 1510 1812 1940 2037 2114 2265 2328 2716 2910 3020 3171 3395 3624 3880 4074 4228 4530 5285 5432 5820 6040 6342 6790 8148 8456 9060 10185 10570 11640 12684 13580 14647 15855 16296 18120 20370 21140 25368 27160 29294 31710 40740 42280 43941 58588 63420 73235 81480 87882 102529 117176 126840 146470 175764 205058 219705 292940 307587 351528 410116 439410 512645 585880 615174 820232 878820 1025290 1230348 1537935 1757640 2050580 2460696 3075870 4101160 6151740 12303480