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12845056 = 21872
BaseRepresentation
bin110001000000…
…000000000000
3220011121002211
4301000000000
511242020211
61135151504
7214116100
oct61000000
926147084
1012845056
117283754
124375594
132879833
1419c5200
1511dae21
hexc40000

12845056 has 57 divisors (see below), whose sum is σ = 29884359. Its totient is φ = 5505024.

The previous prime is 12845033. The next prime is 12845069. The reversal of 12845056 is 65054821.

The square root of 12845056 is 3584.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a nialpdrome in base 8 and base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1835005 + ... + 1835011.

It is an arithmetic number, because the mean of its divisors is an integer number (524287).

Almost surely, 212845056 is an apocalyptic number.

12845056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12845056 is the 3584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12845056

12845056 is an abundant number, since it is smaller than the sum of its proper divisors (17039303).

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

12845056 is an frugal number, since it uses more digits than its factorization.

12845056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 9 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The cubic root of 12845056 is about 234.1955654415.

Adding to 12845056 its reverse (65054821), we get a palindrome (77899877).

The spelling of 12845056 in words is "twelve million, eight hundred forty-five thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1024 1568 1792 2048 3136 3584 4096 6272 7168 8192 12544 14336 16384 25088 28672 32768 50176 57344 65536 100352 114688 131072 200704 229376 262144 401408 458752 802816 917504 1605632 1835008 3211264 6422528 12845056