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84495071 = 194447109
BaseRepresentation
bin1010000100101…
…00101011011111
312212222210110002
411002110223133
5133112320241
612215004515
72044124213
oct502245337
9185883402
1084495071
1143771441
122436973b
13146753ab
14b316943
15764089b
hex5094adf

84495071 has 4 divisors (see below), whose sum is σ = 88942200. Its totient is φ = 80047944.

The previous prime is 84495053. The next prime is 84495097. The reversal of 84495071 is 17059448.

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

It is a cyclic number.

It is not a de Polignac number, because 84495071 - 226 = 17386207 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 (84495001) 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, 2223536 + ... + 2223573.

It is an arithmetic number, because the mean of its divisors is an integer number (22235550).

Almost surely, 284495071 is an apocalyptic number.

84495071 is a deficient number, since it is larger than the sum of its proper divisors (4447129).

84495071 is a wasteful number, since it uses less digits than its factorization.

84495071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447128.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 84495071 is about 9192.1200492596. The cubic root of 84495071 is about 438.8106152945.

The spelling of 84495071 in words is "eighty-four million, four hundred ninety-five thousand, seventy-one".

Divisors: 1 19 4447109 84495071