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51244300 = 2252512443
BaseRepresentation
bin1100001101111…
…0110100001100
310120102110222001
43003132310030
5101104304200
65030202044
71161366202
oct303366414
9116373861
1051244300
1126a20668
12151b3324
13a802893
146b3d072
15477376a
hex30ded0c

51244300 has 18 divisors (see below), whose sum is σ = 111200348. Its totient is φ = 20497680.

The previous prime is 51244289. The next prime is 51244313. The reversal of 51244300 is 344215.

51244300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256122 + ... + 256321.

Almost surely, 251244300 is an apocalyptic number.

51244300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51244300 is an abundant number, since it is smaller than the sum of its proper divisors (59956048).

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

51244300 is a wasteful number, since it uses less digits than its factorization.

51244300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512457 (or 512450 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51244300 is about 7158.5124152997. The cubic root of 51244300 is about 371.4341708088.

Adding to 51244300 its reverse (344215), we get a palindrome (51588515).

The spelling of 51244300 in words is "fifty-one million, two hundred forty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 512443 1024886 2049772 2562215 5124430 10248860 12811075 25622150 51244300