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85240384 = 261970099
BaseRepresentation
bin1010001010010…
…10101001000000
312221101122211021
411011022221000
5133310143014
612242555224
72053350145
oct505125100
9187348737
1085240384
11441303a9
1224668b14
13148766c8
14b46c3cc
15773b624
hex514aa40

85240384 has 28 divisors (see below), whose sum is σ = 178054000. Its totient is φ = 40376448.

The previous prime is 85240381. The next prime is 85240409. The reversal of 85240384 is 48304258.

It is not an unprimeable number, because it can be changed into a prime (85240381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33834 + ... + 36265.

Almost surely, 285240384 is an apocalyptic number.

It is an amenable number.

85240384 is an abundant number, since it is smaller than the sum of its proper divisors (92813616).

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

85240384 is a wasteful number, since it uses less digits than its factorization.

85240384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70130 (or 70120 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 85240384 is about 9232.5719060292. The cubic root of 85240384 is about 440.0970584784.

The spelling of 85240384 in words is "eighty-five million, two hundred forty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 70099 140198 280396 560792 1121584 1331881 2243168 2663762 4486336 5327524 10655048 21310096 42620192 85240384