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52028166 = 238671361
BaseRepresentation
bin1100011001111…
…0001100000110
310121220022020010
43012132030012
5101304400131
65055051050
71201142421
oct306361406
9117808203
1052028166
1127406593
1215510a86
13aa185c8
146ca49b8
15487ab46
hex319e306

52028166 has 8 divisors (see below), whose sum is σ = 104056344. Its totient is φ = 17342720.

The previous prime is 52028159. The next prime is 52028167. The reversal of 52028166 is 66182025.

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

52028166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52028167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4335675 + ... + 4335686.

It is an arithmetic number, because the mean of its divisors is an integer number (13007043).

Almost surely, 252028166 is an apocalyptic number.

52028166 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.

52028166 is a wasteful number, since it uses less digits than its factorization.

52028166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671366.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52028166 is about 7213.0552472583. The cubic root of 52028166 is about 373.3184944853.

The spelling of 52028166 in words is "fifty-two million, twenty-eight thousand, one hundred sixty-six".

Divisors: 1 2 3 6 8671361 17342722 26014083 52028166