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52730465 = 511239391
BaseRepresentation
bin1100100100100…
…1101001100001
310200012222121012
43021021221201
5101444333330
65122110305
71210126064
oct311115141
9120188535
1052730465
11278461a7
12157ab395
13ac03178
1470088db
154968c95
hex3249a61

52730465 has 8 divisors (see below), whose sum is σ = 63339648. Its totient is φ = 42142320.

The previous prime is 52730449. The next prime is 52730477. The reversal of 52730465 is 56403725.

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

It is not a de Polignac number, because 52730465 - 24 = 52730449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 920 + ... + 10310.

It is an arithmetic number, because the mean of its divisors is an integer number (7917456).

Almost surely, 252730465 is an apocalyptic number.

It is an amenable number.

52730465 is a deficient number, since it is larger than the sum of its proper divisors (10609183).

52730465 is a wasteful number, since it uses less digits than its factorization.

52730465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10519.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 52730465 is about 7261.5745537728. The cubic root of 52730465 is about 374.9907316228.

The spelling of 52730465 in words is "fifty-two million, seven hundred thirty thousand, four hundred sixty-five".

Divisors: 1 5 1123 5615 9391 46955 10546093 52730465