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51414143 = 118952517
BaseRepresentation
bin1100010000100…
…0010001111111
310120202002221112
43010020101333
5101130223033
65033552235
71163004314
oct304102177
9116662845
1051414143
1127027230
121527567b
13a861c91
146b84d0b
1547a8c48
hex310847f

51414143 has 8 divisors (see below), whose sum is σ = 56719440. Its totient is φ = 46214080.

The previous prime is 51414113. The next prime is 51414161. The reversal of 51414143 is 34141415.

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

It is not a de Polignac number, because 51414143 - 218 = 51151999 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 (51414113) 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, 25280 + ... + 27237.

It is an arithmetic number, because the mean of its divisors is an integer number (7089930).

Almost surely, 251414143 is an apocalyptic number.

51414143 is a deficient number, since it is larger than the sum of its proper divisors (5305297).

51414143 is a wasteful number, since it uses less digits than its factorization.

51414143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52617.

The product of its digits is 960, while the sum is 23.

The square root of 51414143 is about 7170.3656113200. The cubic root of 51414143 is about 371.8440760765.

Adding to 51414143 its reverse (34141415), we get a palindrome (85555558).

The spelling of 51414143 in words is "fifty-one million, four hundred fourteen thousand, one hundred forty-three".

Divisors: 1 11 89 979 52517 577687 4674013 51414143