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84790550 = 25213130447
BaseRepresentation
bin1010000110111…
…00110100010110
312220112210202202
411003130310112
5133201244200
612225204502
72046464525
oct503346426
9186483682
1084790550
1143953439
1224490732
1314749a30
14b3924bc
15769d1d5
hex50dcd16

84790550 has 24 divisors (see below), whose sum is σ = 169843296. Its totient is φ = 31307040.

The previous prime is 84790547. The next prime is 84790591. The reversal of 84790550 is 5509748.

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 11 ways as a sum of consecutive naturals, for example, 64574 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (7076804).

Almost surely, 284790550 is an apocalyptic number.

84790550 is an abundant number, since it is smaller than the sum of its proper divisors (85052746).

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

84790550 is a wasteful number, since it uses less digits than its factorization.

84790550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130472 (or 130467 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 84790550 is about 9208.1784300697. The cubic root of 84790550 is about 439.3215266562.

The spelling of 84790550 in words is "eighty-four million, seven hundred ninety thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 130447 260894 652235 1304470 1695811 3261175 3391622 6522350 8479055 16958110 42395275 84790550