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85224605 = 557129851
BaseRepresentation
bin1010001010001…
…10110010011101
312221100212011212
411011012302131
5133304141410
612242354205
72053253144
oct505066235
9187325155
1085224605
114411a564
122465b965
131486c47b
14b46675b
157736b05
hex5146c9d

85224605 has 8 divisors (see below), whose sum is σ = 102452064. Its totient is φ = 68058000.

The previous prime is 85224599. The next prime is 85224641. The reversal of 85224605 is 50642258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85224605 - 210 = 85223581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 12071 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (12806508).

Almost surely, 285224605 is an apocalyptic number.

It is an amenable number.

85224605 is a deficient number, since it is larger than the sum of its proper divisors (17227459).

85224605 is a wasteful number, since it uses less digits than its factorization.

85224605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30427.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 85224605 is about 9231.7173375272. The cubic root of 85224605 is about 440.0699010846.

The spelling of 85224605 in words is "eighty-five million, two hundred twenty-four thousand, six hundred five".

Divisors: 1 5 571 2855 29851 149255 17044921 85224605