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12832730 = 253493677
BaseRepresentation
bin110000111100…
…111111011010
3220010222012022
4300330333122
511241121410
61135014442
7214035131
oct60747732
926128168
1012832730
117275469
12436a422
132874041
1419c0918
1511d7455
hexc3cfda

12832730 has 16 divisors (see below), whose sum is σ = 23171400. Its totient is φ = 5116992.

The previous prime is 12832697. The next prime is 12832741. The reversal of 12832730 is 3723821.

It can be written as a sum of positive squares in 4 ways, for example, as 12411529 + 421201 = 3523^2 + 649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12832730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652 + ... + 5328.

Almost surely, 212832730 is an apocalyptic number.

12832730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12832730 is a deficient number, since it is larger than the sum of its proper divisors (10338670).

12832730 is a wasteful number, since it uses less digits than its factorization.

12832730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12832730 is about 3582.2800002233. The cubic root of 12832730 is about 234.1206308160.

The spelling of 12832730 in words is "twelve million, eight hundred thirty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 349 698 1745 3490 3677 7354 18385 36770 1283273 2566546 6416365 12832730