Search a number
-
+
52665500 = 2253105331
BaseRepresentation
bin1100100011100…
…1110010011100
310200002200111002
43020321302130
5101440244000
65120445432
71206435506
oct310716234
9120080432
1052665500
1127801408
1215779878
13abac724
146dccd76
1549548d5
hex3239c9c

52665500 has 24 divisors (see below), whose sum is σ = 115022544. Its totient is φ = 21066000.

The previous prime is 52665499. The next prime is 52665527. The reversal of 52665500 is 556625.

52665500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52166 + ... + 53165.

It is an arithmetic number, because the mean of its divisors is an integer number (4792606).

Almost surely, 252665500 is an apocalyptic number.

52665500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52665500 is an abundant number, since it is smaller than the sum of its proper divisors (62357044).

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

52665500 is a wasteful number, since it uses less digits than its factorization.

52665500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105350 (or 105338 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 52665500 is about 7257.0999717518. The cubic root of 52665500 is about 374.8366696129.

The spelling of 52665500 in words is "fifty-two million, six hundred sixty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 105331 210662 421324 526655 1053310 2106620 2633275 5266550 10533100 13166375 26332750 52665500