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84505893 = 328168631
BaseRepresentation
bin1010000100101…
…11010100100101
312220000100021220
411002113110211
5133113142033
612215130553
72044200603
oct502272445
9186010256
1084505893
114377958a
1224373a59
131467a2b4
14b31a873
157643bb3
hex5097525

84505893 has 4 divisors (see below), whose sum is σ = 112674528. Its totient is φ = 56337260.

The previous prime is 84505867. The next prime is 84505919. The reversal of 84505893 is 39850548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (84505867) and next prime (84505919).

It is a cyclic number.

It is not a de Polignac number, because 84505893 - 28 = 84505637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84505493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14084313 + ... + 14084318.

It is an arithmetic number, because the mean of its divisors is an integer number (28168632).

Almost surely, 284505893 is an apocalyptic number.

It is an amenable number.

84505893 is a deficient number, since it is larger than the sum of its proper divisors (28168635).

84505893 is a wasteful number, since it uses less digits than its factorization.

84505893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28168634.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 84505893 is about 9192.7086867800. The cubic root of 84505893 is about 438.8293485599.

The spelling of 84505893 in words is "eighty-four million, five hundred five thousand, eight hundred ninety-three".

Divisors: 1 3 28168631 84505893