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51052066 = 21310119441
BaseRepresentation
bin1100001010111…
…1111000100010
310120001201021021
43002233320202
5101032131231
65022120054
71156635562
oct302577042
9116051237
1051052066
11268aa19a
121512002a
13a766230
146accda2
154736811
hex30afe22

51052066 has 16 divisors (see below), whose sum is σ = 83289528. Its totient is φ = 23328000.

The previous prime is 51052063. The next prime is 51052081. The reversal of 51052066 is 66025015.

51052066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41925625 + 9126441 = 6475^2 + 3021^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51052066.

It is not an unprimeable number, because it can be changed into a prime (51052061) 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, 7095 + ... + 12346.

Almost surely, 251052066 is an apocalyptic number.

51052066 is a deficient number, since it is larger than the sum of its proper divisors (32237462).

51052066 is a wasteful number, since it uses less digits than its factorization.

51052066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19557.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51052066 is about 7145.0728477742. The cubic root of 51052066 is about 370.9691321131.

The spelling of 51052066 in words is "fifty-one million, fifty-two thousand, sixty-six".

Divisors: 1 2 13 26 101 202 1313 2626 19441 38882 252733 505466 1963541 3927082 25526033 51052066