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52804513 = 372276287
BaseRepresentation
bin1100100101101…
…1101110100001
310200100202011201
43021123232201
5102004221023
65123441201
71210555006
oct311335641
9120322151
1052804513
11278968a3
1215826201
13ac2aa98
1470278ad
154980bad
hex325bba1

52804513 has 8 divisors (see below), whose sum is σ = 54479232. Its totient is φ = 51142896.

The previous prime is 52804511. The next prime is 52804519. The reversal of 52804513 is 31540825.

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

It is a cyclic number.

It is not a de Polignac number, because 52804513 - 21 = 52804511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52804511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5256 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (6809904).

Almost surely, 252804513 is an apocalyptic number.

It is an amenable number.

52804513 is a deficient number, since it is larger than the sum of its proper divisors (1674719).

52804513 is a wasteful number, since it uses less digits than its factorization.

52804513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 52804513 is about 7266.6713837905. The cubic root of 52804513 is about 375.1661793846.

The spelling of 52804513 in words is "fifty-two million, eight hundred four thousand, five hundred thirteen".

Divisors: 1 37 227 6287 8399 232619 1427149 52804513