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52908 = 2234409
BaseRepresentation
bin1100111010101100
32200120120
430322230
53143113
61044540
7310152
oct147254
980516
1052908
1136829
1226750
131b10b
14153d2
1510a23
hexceac

52908 has 12 divisors (see below), whose sum is σ = 123480. Its totient is φ = 17632.

The previous prime is 52903. The next prime is 52919. The reversal of 52908 is 80925.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52901) by changing a digit.

52908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193 + ... + 2216.

It is an arithmetic number, because the mean of its divisors is an integer number (10290).

252908 is an apocalyptic number.

It is an amenable number.

52908 is an abundant number, since it is smaller than the sum of its proper divisors (70572).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61740).

52908 is a wasteful number, since it uses less digits than its factorization.

52908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 52908 is about 230.0173906469. The cubic root of 52908 is about 37.5411104705.

Adding to 52908 its product of nonzero digits (720), we get a triangular number (53628 = T327).

The spelling of 52908 in words is "fifty-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 4409 8818 13227 17636 26454 52908