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52730 = 255273
BaseRepresentation
bin1100110111111010
32200022222
430313322
53141410
61044042
7306506
oct146772
980288
1052730
1136687
1226622
131b002
1415306
1510955
hexcdfa

52730 has 8 divisors (see below), whose sum is σ = 94932. Its totient is φ = 21088.

The previous prime is 52727. The next prime is 52733. The reversal of 52730 is 3725.

It is an interprime number because it is at equal distance from previous prime (52727) and next prime (52733).

It can be written as a sum of positive squares in 2 ways, for example, as 52441 + 289 = 229^2 + 17^2 .

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 52699 and 52708.

It is not an unprimeable number, because it can be changed into a prime (52733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2627 + ... + 2646.

252730 is an apocalyptic number.

52730 is a deficient number, since it is larger than the sum of its proper divisors (42202).

52730 is a wasteful number, since it uses less digits than its factorization.

52730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 52730 is about 229.6301373949. The cubic root of 52730 is about 37.4989629343.

The spelling of 52730 in words is "fifty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 5273 10546 26365 52730