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52802545 = 510560509
BaseRepresentation
bin1100100101101…
…1001111110001
310200100122110211
43021123033301
5102004140140
65123424121
71210546165
oct311331761
9120318424
1052802545
1127895374
1215825041
13ac29c13
147026ca5
1549802ea
hex325b3f1

52802545 has 4 divisors (see below), whose sum is σ = 63363060. Its totient is φ = 42242032.

The previous prime is 52802531. The next prime is 52802551. The reversal of 52802545 is 54520825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 29289744 = 4849^2 + 5412^2 .

It is a cyclic number.

It is not a de Polignac number, because 52802545 - 213 = 52794353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5280250 + ... + 5280259.

It is an arithmetic number, because the mean of its divisors is an integer number (15840765).

Almost surely, 252802545 is an apocalyptic number.

It is an amenable number.

52802545 is a deficient number, since it is larger than the sum of its proper divisors (10560515).

52802545 is a wasteful number, since it uses less digits than its factorization.

52802545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560514.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 52802545 is about 7266.5359697727. The cubic root of 52802545 is about 375.1615185695.

The spelling of 52802545 in words is "fifty-two million, eight hundred two thousand, five hundred forty-five".

Divisors: 1 5 10560509 52802545