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140089585 = 537757241
BaseRepresentation
bin10000101100110…
…01100011110001
3100202121021210011
420112121203301
5241330331320
621522334521
73320512306
oct1026314361
9322537704
10140089585
1172093419
123aaba441
132303c05c
14148690ad
15c47305a
hex85998f1

140089585 has 8 divisors (see below), whose sum is σ = 172651176. Its totient is φ = 109042560.

The previous prime is 140089583. The next prime is 140089613. The reversal of 140089585 is 585980041.

It can be written as a sum of positive squares in 4 ways, for example, as 15186609 + 124902976 = 3897^2 + 11176^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140089585 - 21 = 140089583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140089583) 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, 378436 + ... + 378805.

It is an arithmetic number, because the mean of its divisors is an integer number (21581397).

Almost surely, 2140089585 is an apocalyptic number.

It is an amenable number.

140089585 is a deficient number, since it is larger than the sum of its proper divisors (32561591).

140089585 is an equidigital number, since it uses as much as digits as its factorization.

140089585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757283.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 140089585 is about 11835.9446179847. The cubic root of 140089585 is about 519.3601412327.

The spelling of 140089585 in words is "one hundred forty million, eighty-nine thousand, five hundred eighty-five".

Divisors: 1 5 37 185 757241 3786205 28017917 140089585