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52779105 = 32510191151
BaseRepresentation
bin1100100101010…
…1100001100001
310200022110022200
43021111201201
5102002412410
65123123413
71210420641
oct311254141
9120273280
1052779105
11278797a5
1215813569
13ac1c352
14701c521
1549783c0
hex3255861

52779105 has 24 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 28096800.

The previous prime is 52779071. The next prime is 52779107. The reversal of 52779105 is 50197725.

It is not a de Polignac number, because 52779105 - 27 = 52778977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52779105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52779107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45280 + ... + 46430.

It is an arithmetic number, because the mean of its divisors is an integer number (3818880).

Almost surely, 252779105 is an apocalyptic number.

It is an amenable number.

52779105 is a deficient number, since it is larger than the sum of its proper divisors (38874015).

52779105 is a wasteful number, since it uses less digits than its factorization.

52779105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 52779105 is about 7264.9229176916. The cubic root of 52779105 is about 375.1059967030.

The spelling of 52779105 in words is "fifty-two million, seven hundred seventy-nine thousand, one hundred five".

Divisors: 1 3 5 9 15 45 1019 1151 3057 3453 5095 5755 9171 10359 15285 17265 45855 51795 1172869 3518607 5864345 10555821 17593035 52779105