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51430101 = 317995773
BaseRepresentation
bin1100010000110…
…0001011010101
310120202220211120
43010030023111
5101131230401
65034154153
71163101662
oct304141325
9116686746
1051430101
1127038218
1215282959
13a869318
146b8aa69
1547ad836
hex310c2d5

51430101 has 8 divisors (see below), whose sum is σ = 68957280. Its totient is φ = 34094832.

The previous prime is 51430097. The next prime is 51430121. The reversal of 51430101 is 10103415.

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

It is not a de Polignac number, because 51430101 - 22 = 51430097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51430121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47350 + ... + 48423.

It is an arithmetic number, because the mean of its divisors is an integer number (8619660).

Almost surely, 251430101 is an apocalyptic number.

It is an amenable number.

51430101 is a deficient number, since it is larger than the sum of its proper divisors (17527179).

51430101 is a wasteful number, since it uses less digits than its factorization.

51430101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95955.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51430101 is about 7171.4782994861. The cubic root of 51430101 is about 371.8825432738.

Adding to 51430101 its reverse (10103415), we get a palindrome (61533516).

The spelling of 51430101 in words is "fifty-one million, four hundred thirty thousand, one hundred one".

Divisors: 1 3 179 537 95773 287319 17143367 51430101