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51424203 = 319902179
BaseRepresentation
bin1100010000101…
…0101111001011
310120202121202010
43010022233023
5101131033303
65034111003
71163045535
oct304125713
9116677663
1051424203
1127033846
121527b463
13a86672c
146b88855
1547abc03
hex310abcb

51424203 has 8 divisors (see below), whose sum is σ = 72174400. Its totient is φ = 32478408.

The previous prime is 51424199. The next prime is 51424211. The reversal of 51424203 is 30242415.

51424203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51424203 - 22 = 51424199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51424203.

It is not an unprimeable number, because it can be changed into a prime (51424903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 451033 + ... + 451146.

It is an arithmetic number, because the mean of its divisors is an integer number (9021800).

Almost surely, 251424203 is an apocalyptic number.

51424203 is a deficient number, since it is larger than the sum of its proper divisors (20750197).

51424203 is a wasteful number, since it uses less digits than its factorization.

51424203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902201.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 51424203 is about 7171.0670754080. The cubic root of 51424203 is about 371.8683269099.

Adding to 51424203 its reverse (30242415), we get a palindrome (81666618).

The spelling of 51424203 in words is "fifty-one million, four hundred twenty-four thousand, two hundred three".

Divisors: 1 3 19 57 902179 2706537 17141401 51424203