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51050028 = 22331113679
BaseRepresentation
bin1100001010111…
…1011000101100
310120001121110210
43002233120230
5101032100103
65022102420
71156626621
oct302573054
9116047423
1051050028
11268a8707
121511aa10
13a765323
146acc348
154735e03
hex30af62c

51050028 has 24 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 16960720.

The previous prime is 51050009. The next prime is 51050029. The reversal of 51050028 is 82005015.

51050028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×510500282 = 5212210717601568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51049986 and 51050013.

It is not an unprimeable number, because it can be changed into a prime (51050029) 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, 3108 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 251050028 is an apocalyptic number.

It is an amenable number.

51050028 is an abundant number, since it is smaller than the sum of its proper divisors (68458452).

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

51050028 is a wasteful number, since it uses less digits than its factorization.

51050028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13997 (or 13995 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 51050028 is about 7144.9302305901. The cubic root of 51050028 is about 370.9641956811.

The spelling of 51050028 in words is "fifty-one million, fifty thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 311 622 933 1244 1866 3732 13679 27358 41037 54716 82074 164148 4254169 8508338 12762507 17016676 25525014 51050028