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51033012 = 22319223829
BaseRepresentation
bin1100001010101…
…1001110110100
310120000202010120
43002223032310
5101031024022
65021451540
71156526202
oct302531664
9116022116
1051033012
1126896948
1215110bb0
13a75a664
146ac6072
154730d5c
hex30ab3b4

51033012 has 24 divisors (see below), whose sum is σ = 125344800. Its totient is φ = 16115616.

The previous prime is 51033001. The next prime is 51033019. The reversal of 51033012 is 21033015.

It is a happy number.

51033012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51032982 and 51033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033019) 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, 111687 + ... + 112142.

It is an arithmetic number, because the mean of its divisors is an integer number (5222700).

Almost surely, 251033012 is an apocalyptic number.

It is an amenable number.

51033012 is an abundant number, since it is smaller than the sum of its proper divisors (74311788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51033012 is a wasteful number, since it uses less digits than its factorization.

51033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223855 (or 223853 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 51033012 is about 7143.7393569475. The cubic root of 51033012 is about 370.9229744943.

Adding to 51033012 its reverse (21033015), we get a palindrome (72066027).

The spelling of 51033012 in words is "fifty-one million, thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 223829 447658 671487 895316 1342974 2685948 4252751 8505502 12758253 17011004 25516506 51033012