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2085133590 = 23452574239
BaseRepresentation
bin111110001001000…
…1001110100010110
312101022112202120000
41330102021310112
513232243233330
6542523352130
7102446225451
oct17422116426
95338482500
102085133590
11980004801
124a2382646
13272cb4277
1415acda498
15c30cc560
hex7c489d16

2085133590 has 40 divisors (see below), whose sum is σ = 5606694720. Its totient is φ = 556035408.

The previous prime is 2085133571. The next prime is 2085133591. The reversal of 2085133590 is 953315802.

2085133590 is a `hidden beast` number, since 20 + 8 + 513 + 35 + 90 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085133591) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1286310 + ... + 1287929.

It is an arithmetic number, because the mean of its divisors is an integer number (140167368).

Almost surely, 22085133590 is an apocalyptic number.

2085133590 is an abundant number, since it is smaller than the sum of its proper divisors (3521561130).

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

2085133590 is a wasteful number, since it uses less digits than its factorization.

2085133590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574258 (or 2574249 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 2085133590 is about 45663.2630240109. The cubic root of 2085133590 is about 1277.5501623858.

The spelling of 2085133590 in words is "two billion, eighty-five million, one hundred thirty-three thousand, five hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 2574239 5148478 7722717 12871195 15445434 23168151 25742390 38613585 46336302 69504453 77227170 115840755 139008906 208513359 231681510 347522265 417026718 695044530 1042566795 2085133590