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51244103 = 1716318493
BaseRepresentation
bin1100001101111…
…0110001000111
310120102110200202
43003132301013
5101104302403
65030201115
71161365501
oct303366107
9116373622
1051244103
1126a204a9
12151b319b
13a802771
146b3cd71
154773688
hex30dec47

51244103 has 8 divisors (see below), whose sum is σ = 54594288. Its totient is φ = 47931264.

The previous prime is 51244099. The next prime is 51244111. The reversal of 51244103 is 30144215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51244103 - 22 = 51244099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51244183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6476 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (6824286).

Almost surely, 251244103 is an apocalyptic number.

51244103 is a deficient number, since it is larger than the sum of its proper divisors (3350185).

51244103 is a wasteful number, since it uses less digits than its factorization.

51244103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18673.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51244103 is about 7158.4986554445. The cubic root of 51244103 is about 371.4336948363.

Adding to 51244103 its reverse (30144215), we get a palindrome (81388318).

The spelling of 51244103 in words is "fifty-one million, two hundred forty-four thousand, one hundred three".

Divisors: 1 17 163 2771 18493 314381 3014359 51244103