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52802565 = 354797349
BaseRepresentation
bin1100100101101…
…1010000000101
310200100122111120
43021123100011
5102004140230
65123424153
71210546224
oct311332005
9120318446
1052802565
1127895392
1215825059
13ac29c2a
147026cbb
154980310
hex325b405

52802565 has 16 divisors (see below), whose sum is σ = 84672000. Its totient is φ = 28098752.

The previous prime is 52802551. The next prime is 52802567. The reversal of 52802565 is 56520825.

It is a cyclic number.

It is not a de Polignac number, because 52802565 - 27 = 52802437 is a prime.

It is a super-2 number, since 2×528025652 = 5576221741158450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52802567) 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 15 ways as a sum of consecutive naturals, for example, 3511 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 252802565 is an apocalyptic number.

It is an amenable number.

52802565 is a deficient number, since it is larger than the sum of its proper divisors (31869435).

52802565 is a wasteful number, since it uses less digits than its factorization.

52802565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 52802565 is about 7266.5373459441. The cubic root of 52802565 is about 375.1615659361.

The spelling of 52802565 in words is "fifty-two million, eight hundred two thousand, five hundred sixty-five".

Divisors: 1 3 5 15 479 1437 2395 7185 7349 22047 36745 110235 3520171 10560513 17600855 52802565