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51268543 = 538771103
BaseRepresentation
bin1100001110010…
…0101110111111
310120110201012221
43003210232333
5101111043133
65030510211
71161526654
oct303445677
9116421187
1051268543
1126a378a7
1215205367
13a810921
146b47c2b
15477aa2d
hex30e4bbf

51268543 has 8 divisors (see below), whose sum is σ = 52342848. Its totient is φ = 50198304.

The previous prime is 51268531. The next prime is 51268561. The reversal of 51268543 is 34586215.

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 51268543 - 225 = 17714111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51268499 and 51268508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51268523) 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, 45930 + ... + 47032.

It is an arithmetic number, because the mean of its divisors is an integer number (6542856).

Almost surely, 251268543 is an apocalyptic number.

51268543 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51268543 is a deficient number, since it is larger than the sum of its proper divisors (1074305).

51268543 is a wasteful number, since it uses less digits than its factorization.

51268543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its digits is 28800, while the sum is 34.

The square root of 51268543 is about 7160.2055138103. The cubic root of 51268543 is about 371.4927351043.

The spelling of 51268543 in words is "fifty-one million, two hundred sixty-eight thousand, five hundred forty-three".

Divisors: 1 53 877 1103 46481 58459 967331 51268543