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84225580 = 2254211279
BaseRepresentation
bin1010000010100…
…10111000101100
312212111002202221
411001102320230
5133030204310
612205125124
72041622425
oct501227054
9185432687
1084225580
11435a7a1a
12242597a4
13145ac82a
14b28664c
1575daada
hex5052e2c

84225580 has 12 divisors (see below), whose sum is σ = 176873760. Its totient is φ = 33690224.

The previous prime is 84225553. The next prime is 84225593. The reversal of 84225580 is 8552248.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2105620 + ... + 2105659.

It is an arithmetic number, because the mean of its divisors is an integer number (14739480).

Almost surely, 284225580 is an apocalyptic number.

It is an amenable number.

84225580 is an abundant number, since it is smaller than the sum of its proper divisors (92648180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84225580 is a wasteful number, since it uses less digits than its factorization.

84225580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211288 (or 4211286 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 84225580 is about 9177.4495367722. The cubic root of 84225580 is about 438.3436000557.

The spelling of 84225580 in words is "eighty-four million, two hundred twenty-five thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 4211279 8422558 16845116 21056395 42112790 84225580