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13283328 = 21232347
BaseRepresentation
bin110010101011…
…000000000000
3220222212022010
4302223000000
511400031303
61152412520
7220622622
oct62530000
926885263
1013283328
117552a63
124547140
1329a1176
141a9ac12
151275c03
hexcab000

13283328 has 104 divisors (see below), whose sum is σ = 37744128. Its totient is φ = 4145152.

The previous prime is 13283327. The next prime is 13283329. The reversal of 13283328 is 82338231.

It is an interprime number because it is at equal distance from previous prime (13283327) and next prime (13283329).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13283295 and 13283304.

It is not an unprimeable number, because it can be changed into a prime (13283323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282601 + ... + 282647.

Almost surely, 213283328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13283328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18872064).

13283328 is an abundant number, since it is smaller than the sum of its proper divisors (24460800).

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

13283328 is an equidigital number, since it uses as much as digits as its factorization.

13283328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 75 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 13283328 is about 3644.6300223754. The cubic root of 13283328 is about 236.8294095443.

It can be divided in two parts, 1328 and 3328, that added together give a triangular number (4656 = T96).

The spelling of 13283328 in words is "thirteen million, two hundred eighty-three thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 47 48 64 69 92 94 96 128 138 141 184 188 192 256 276 282 368 376 384 512 552 564 736 752 768 1024 1081 1104 1128 1472 1504 1536 2048 2162 2208 2256 2944 3008 3072 3243 4096 4324 4416 4512 5888 6016 6144 6486 8648 8832 9024 11776 12032 12288 12972 17296 17664 18048 23552 24064 25944 34592 35328 36096 47104 48128 51888 69184 70656 72192 94208 96256 103776 138368 141312 144384 192512 207552 276736 282624 288768 415104 553472 577536 830208 1106944 1660416 2213888 3320832 4427776 6641664 13283328