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84728710 = 2511770261
BaseRepresentation
bin1010000110011…
…01101110000110
312220102122221101
411003031232012
5133142304320
612224010314
72046116323
oct503155606
9186378841
1084728710
1143910a30
122446099a
1314727841
14b377b4a
157689c0a
hex50cdb86

84728710 has 16 divisors (see below), whose sum is σ = 166376592. Its totient is φ = 30810400.

The previous prime is 84728689. The next prime is 84728717. The reversal of 84728710 is 1782748.

It is a self number, because there is not a number n which added to its sum of digits gives 84728710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84728717) 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, 385021 + ... + 385240.

It is an arithmetic number, because the mean of its divisors is an integer number (10398537).

Almost surely, 284728710 is an apocalyptic number.

84728710 is a deficient number, since it is larger than the sum of its proper divisors (81647882).

84728710 is a wasteful number, since it uses less digits than its factorization.

84728710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770279.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 84728710 is about 9204.8199330568. The cubic root of 84728710 is about 439.2146977286.

The spelling of 84728710 in words is "eighty-four million, seven hundred twenty-eight thousand, seven hundred ten".

Divisors: 1 2 5 10 11 22 55 110 770261 1540522 3851305 7702610 8472871 16945742 42364355 84728710