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52805163 = 327164951
BaseRepresentation
bin1100100101101…
…1111000101011
310200100210001210
43021123320223
5102004231123
65123444203
71210556625
oct311337053
9120323053
1052805163
1127897334
1215826663
13ac2b178
147027c15
154980e93
hex325be2b

52805163 has 8 divisors (see below), whose sum is σ = 70667776. Its totient is φ = 35073000.

The previous prime is 52805149. The next prime is 52805167. The reversal of 52805163 is 36150825.

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

It is not a de Polignac number, because 52805163 - 24 = 52805147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52805163.

It is not an unprimeable number, because it can be changed into a prime (52805167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31663 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (8833472).

Almost surely, 252805163 is an apocalyptic number.

52805163 is a deficient number, since it is larger than the sum of its proper divisors (17862613).

52805163 is a wasteful number, since it uses less digits than its factorization.

52805163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65225.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 52805163 is about 7266.7161083945. The cubic root of 52805163 is about 375.1677187544.

Adding to 52805163 its reverse (36150825), we get a palindrome (88955988).

The spelling of 52805163 in words is "fifty-two million, eight hundred five thousand, one hundred sixty-three".

Divisors: 1 3 271 813 64951 194853 17601721 52805163