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85534549 = 3122312373
BaseRepresentation
bin1010001100100…
…10011101010101
312221221121100021
411012102131111
5133344101144
612253145141
72056013602
oct506223525
9187847307
1085534549
1144311411
122478b1b1
131494a579
14b5076a9
157798884
hex5192755

85534549 has 8 divisors (see below), whose sum is σ = 88696832. Its totient is φ = 82397520.

The previous prime is 85534517. The next prime is 85534567. The reversal of 85534549 is 94543558.

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 85534549 - 25 = 85534517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85534049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727 + ... + 13099.

It is an arithmetic number, because the mean of its divisors is an integer number (11087104).

Almost surely, 285534549 is an apocalyptic number.

It is an amenable number.

85534549 is a deficient number, since it is larger than the sum of its proper divisors (3162283).

85534549 is a wasteful number, since it uses less digits than its factorization.

85534549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627.

The product of its digits is 432000, while the sum is 43.

The square root of 85534549 is about 9248.4890117251. The cubic root of 85534549 is about 440.6027362894.

Subtracting 85534549 from its reverse (94543558), we obtain a palindrome (9009009).

The spelling of 85534549 in words is "eighty-five million, five hundred thirty-four thousand, five hundred forty-nine".

Divisors: 1 31 223 6913 12373 383563 2759179 85534549