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51063405 = 356155807
BaseRepresentation
bin1100001011001…
…0101001101101
310120002021211020
43002302221231
5101033012110
65022244353
71160013621
oct302625155
9116067736
1051063405
1126907768
12151266b9
13a76b443
146ad3181
154739d70
hex30b2a6d

51063405 has 16 divisors (see below), whose sum is σ = 83042304. Its totient is φ = 26786880.

The previous prime is 51063319. The next prime is 51063421. The reversal of 51063405 is 50436015.

51063405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51063405 - 28 = 51063149 is a prime.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 26989 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (5190144).

Almost surely, 251063405 is an apocalyptic number.

It is an amenable number.

51063405 is a deficient number, since it is larger than the sum of its proper divisors (31978899).

51063405 is a wasteful number, since it uses less digits than its factorization.

51063405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55876.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51063405 is about 7145.8662875819. The cubic root of 51063405 is about 370.9965949756.

The spelling of 51063405 in words is "fifty-one million, sixty-three thousand, four hundred five".

Divisors: 1 3 5 15 61 183 305 915 55807 167421 279035 837105 3404227 10212681 17021135 51063405