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99984290 = 2578317209
BaseRepresentation
bin1011111010110…
…10001110100010
320222010201122212
411331122032202
5201043444130
613531002122
72322565250
oct575321642
9228121585
1099984290
115149074a
1229599342
1317939603
14d3c95d0
158b9ee95
hex5f5a3a2

99984290 has 32 divisors (see below), whose sum is σ = 208172160. Its totient is φ = 33865344.

The previous prime is 99984277. The next prime is 99984319. The reversal of 99984290 is 9248999.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795 + ... + 14414.

It is an arithmetic number, because the mean of its divisors is an integer number (6505380).

Almost surely, 299984290 is an apocalyptic number.

99984290 is an abundant number, since it is smaller than the sum of its proper divisors (108187870).

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

99984290 is a wasteful number, since it uses less digits than its factorization.

99984290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 99984290 is about 9999.2144691471. The cubic root of 99984290 is about 464.1345756348.

The spelling of 99984290 in words is "ninety-nine million, nine hundred eighty-four thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 83 166 415 581 830 1162 2905 5810 17209 34418 86045 120463 172090 240926 602315 1204630 1428347 2856694 7141735 9998429 14283470 19996858 49992145 99984290