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194425085 = 581147947
BaseRepresentation
bin10111001011010…
…11000011111101
3111112211211002002
423211223003331
5344233100320
631143112045
74550404661
oct1345530375
9445754062
10194425085
119a825498
1255142625
133138493a
141bb708a1
1512107675
hexb96b0fd

194425085 has 8 divisors (see below), whose sum is σ = 233602656. Its totient is φ = 155345040.

The previous prime is 194425079. The next prime is 194425109. The reversal of 194425085 is 580524491.

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

It is not a de Polignac number, because 194425085 - 24 = 194425069 is a prime.

It is a super-2 number, since 2×1944250852 = 75602227354514450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19919 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (29200332).

Almost surely, 2194425085 is an apocalyptic number.

It is an amenable number.

194425085 is a deficient number, since it is larger than the sum of its proper divisors (39177571).

194425085 is an equidigital number, since it uses as much as digits as its factorization.

194425085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48763.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 194425085 is about 13943.6395894329. The cubic root of 194425085 is about 579.3185466683.

The spelling of 194425085 in words is "one hundred ninety-four million, four hundred twenty-five thousand, eighty-five".

Divisors: 1 5 811 4055 47947 239735 38885017 194425085