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51360512 = 28728661
BaseRepresentation
bin1100001111101…
…1001100000000
310120122101101012
43003323030000
5101122014022
65032500052
71162362050
oct303731400
9116571335
1051360512
1126a9aa05
121524a628
13a843748
146b6d560
154797de2
hex30fb300

51360512 has 36 divisors (see below), whose sum is σ = 117170256. Its totient is φ = 22010880.

The previous prime is 51360499. The next prime is 51360523. The reversal of 51360512 is 21506315.

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 3 ways as a sum of consecutive naturals, for example, 12539 + ... + 16122.

Almost surely, 251360512 is an apocalyptic number.

It is an amenable number.

51360512 is an abundant number, since it is smaller than the sum of its proper divisors (65809744).

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

51360512 is an equidigital number, since it uses as much as digits as its factorization.

51360512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28684 (or 28670 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51360512 is about 7166.6248680952. The cubic root of 51360512 is about 371.7147387218.

Adding to 51360512 its reverse (21506315), we get a palindrome (72866827).

The spelling of 51360512 in words is "fifty-one million, three hundred sixty thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 28661 57322 114644 200627 229288 401254 458576 802508 917152 1605016 1834304 3210032 3668608 6420064 7337216 12840128 25680256 51360512