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12933480 = 2335789173
BaseRepresentation
bin110001010101…
…100101101000
3220100002101210
4301111211220
511302332410
61141113120
7214634640
oct61254550
926302353
1012933480
11733412a
1243b87a0
1328aab61
141a09520
151207220
hexc55968

12933480 has 128 divisors (see below), whose sum is σ = 45100800. Its totient is φ = 2906112.

The previous prime is 12933463. The next prime is 12933493. The reversal of 12933480 is 8433921.

12933480 = T153 + T154 + ... + T432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74674 + ... + 74846.

It is an arithmetic number, because the mean of its divisors is an integer number (352350).

Almost surely, 212933480 is an apocalyptic number.

12933480 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 12933480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22550400).

12933480 is an abundant number, since it is smaller than the sum of its proper divisors (32167320).

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

12933480 is a wasteful number, since it uses less digits than its factorization.

12933480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12933480 is about 3596.3147804384. The cubic root of 12933480 is about 234.7317294771.

The spelling of 12933480 in words is "twelve million, nine hundred thirty-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 89 105 120 140 168 173 178 210 267 280 346 356 420 445 519 534 623 692 712 840 865 890 1038 1068 1211 1246 1335 1384 1730 1780 1869 2076 2136 2422 2492 2595 2670 3115 3460 3560 3633 3738 4152 4844 4984 5190 5340 6055 6230 6920 7266 7476 9345 9688 10380 10680 12110 12460 14532 14952 15397 18165 18690 20760 24220 24920 29064 30794 36330 37380 46191 48440 61588 72660 74760 76985 92382 107779 123176 145320 153970 184764 215558 230955 307940 323337 369528 431116 461910 538895 615880 646674 862232 923820 1077790 1293348 1616685 1847640 2155580 2586696 3233370 4311160 6466740 12933480