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53208066 = 238868011
BaseRepresentation
bin1100101011111…
…0010000000010
310201010020202010
43022332100002
5102110124231
65140233350
71214155362
oct312762002
9121106663
1053208066
112804200a
121599b856
13b03c682
1470d09a2
154a10546
hex32be402

53208066 has 8 divisors (see below), whose sum is σ = 106416144. Its totient is φ = 17736020.

The previous prime is 53208061. The next prime is 53208083. The reversal of 53208066 is 66080235.

It is a sphenic number, since it is the product of 3 distinct primes.

53208066 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53208061) 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 3 ways as a sum of consecutive naturals, for example, 4434000 + ... + 4434011.

It is an arithmetic number, because the mean of its divisors is an integer number (13302018).

Almost surely, 253208066 is an apocalyptic number.

53208066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53208066 is a wasteful number, since it uses less digits than its factorization.

53208066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868016.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53208066 is about 7294.3859234345. The cubic root of 53208066 is about 376.1194778372.

The spelling of 53208066 in words is "fifty-three million, two hundred eight thousand, sixty-six".

Divisors: 1 2 3 6 8868011 17736022 26604033 53208066