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51144104 = 2311581183
BaseRepresentation
bin1100001100011…
…0010110101000
310120020101112002
43003012112220
5101043102404
65024110132
71160501114
oct303062650
9116211462
1051144104
1126962360
1215165348
13a7990ab
146b14744
154753c1e
hex30c65a8

51144104 has 16 divisors (see below), whose sum is σ = 104613120. Its totient is φ = 23247280.

The previous prime is 51144073. The next prime is 51144127. The reversal of 51144104 is 40144115.

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, 290504 + ... + 290679.

It is an arithmetic number, because the mean of its divisors is an integer number (6538320).

Almost surely, 251144104 is an apocalyptic number.

It is an amenable number.

51144104 is an abundant number, since it is smaller than the sum of its proper divisors (53469016).

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

51144104 is a wasteful number, since it uses less digits than its factorization.

51144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581200 (or 581196 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 51144104 is about 7151.5106096544. The cubic root of 51144104 is about 371.1919292302.

Adding to 51144104 its reverse (40144115), we get a palindrome (91288219).

The spelling of 51144104 in words is "fifty-one million, one hundred forty-four thousand, one hundred four".

Divisors: 1 2 4 8 11 22 44 88 581183 1162366 2324732 4649464 6393013 12786026 25572052 51144104