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51034521 = 3129113177
BaseRepresentation
bin1100001010101…
…1100110011001
310120000211012110
43002223212121
5101031101041
65021502533
71156533456
oct302534631
9116024173
1051034521
1126897a9a
1215111a49
13a75b255
146ac682d
154731516
hex30ab999

51034521 has 8 divisors (see below), whose sum is σ = 68103904. Its totient is φ = 33994080.

The previous prime is 51034517. The next prime is 51034523. The reversal of 51034521 is 12543015.

51034521 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 51034521 - 22 = 51034517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51034523) 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, 2716 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (8512988).

Almost surely, 251034521 is an apocalyptic number.

It is an amenable number.

51034521 is a deficient number, since it is larger than the sum of its proper divisors (17069383).

51034521 is a wasteful number, since it uses less digits than its factorization.

51034521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51034521 is about 7143.8449731220. The cubic root of 51034521 is about 370.9266304105.

Adding to 51034521 its reverse (12543015), we get a palindrome (63577536).

The spelling of 51034521 in words is "fifty-one million, thirty-four thousand, five hundred twenty-one".

Divisors: 1 3 1291 3873 13177 39531 17011507 51034521