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52185286 = 21910113597
BaseRepresentation
bin1100011100010…
…0100011000110
310122012021202101
43013010203012
5101324412121
65102302314
71202365456
oct307044306
9118167671
1052185286
112750363a
121558799a
13aa71c8a
146d05d66
1548ac491
hex31c48c6

52185286 has 16 divisors (see below), whose sum is σ = 83219760. Its totient is φ = 24472800.

The previous prime is 52185283. The next prime is 52185293. The reversal of 52185286 is 68258125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52185283) 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 7 ways as a sum of consecutive naturals, for example, 2961 + ... + 10636.

It is an arithmetic number, because the mean of its divisors is an integer number (5201235).

Almost surely, 252185286 is an apocalyptic number.

52185286 is a deficient number, since it is larger than the sum of its proper divisors (31034474).

52185286 is a wasteful number, since it uses less digits than its factorization.

52185286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719.

The product of its digits is 38400, while the sum is 37.

The square root of 52185286 is about 7223.9383995159. The cubic root of 52185286 is about 373.6939120093.

The spelling of 52185286 in words is "fifty-two million, one hundred eighty-five thousand, two hundred eighty-six".

Divisors: 1 2 19 38 101 202 1919 3838 13597 27194 258343 516686 1373297 2746594 26092643 52185286