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52805800 = 2352264029
BaseRepresentation
bin1100100101110…
…0000010101000
310200100210221101
43021130002220
5102004241200
65123451144
71210561525
oct311340250
9120323841
1052805800
1127897863
1215826ab4
13ac2b548
14702814c
15498126a
hex325c0a8

52805800 has 24 divisors (see below), whose sum is σ = 122773950. Its totient is φ = 21122240.

The previous prime is 52805789. The next prime is 52805869. The reversal of 52805800 is 850825.

It can be written as a sum of positive squares in 3 ways, for example, as 24226084 + 28579716 = 4922^2 + 5346^2 .

It is a super-3 number, since 3×528058003 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131815 + ... + 132214.

Almost surely, 252805800 is an apocalyptic number.

52805800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52805800 is an abundant number, since it is smaller than the sum of its proper divisors (69968150).

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

52805800 is a wasteful number, since it uses less digits than its factorization.

52805800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264045 (or 264036 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 52805800 is about 7266.7599382393. The cubic root of 52805800 is about 375.1692273245.

The spelling of 52805800 in words is "fifty-two million, eight hundred five thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 264029 528058 1056116 1320145 2112232 2640290 5280580 6600725 10561160 13201450 26402900 52805800