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194353441 = 764925409
BaseRepresentation
bin10111001010110…
…01100100100001
3111112201011210121
423211121210201
5344223302231
631141400241
74546656052
oct1345314441
9445634717
10194353441
119a786687
1255109081
133135b149
141bb52729
15120e1311
hexb959921

194353441 has 4 divisors (see below), whose sum is σ = 194386500. Its totient is φ = 194320384.

The previous prime is 194353433. The next prime is 194353457. The reversal of 194353441 is 144353491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12103441 + 182250000 = 3479^2 + 13500^2 .

It is a cyclic number.

It is not a de Polignac number, because 194353441 - 23 = 194353433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194353397 and 194353406.

It is not an unprimeable number, because it can be changed into a prime (194353141) 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 3 ways as a sum of consecutive naturals, for example, 5056 + ... + 20353.

It is an arithmetic number, because the mean of its divisors is an integer number (48596625).

Almost surely, 2194353441 is an apocalyptic number.

It is an amenable number.

194353441 is a deficient number, since it is larger than the sum of its proper divisors (33059).

194353441 is an equidigital number, since it uses as much as digits as its factorization.

194353441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33058.

The product of its digits is 25920, while the sum is 34.

The square root of 194353441 is about 13941.0702960712. The cubic root of 194353441 is about 579.2473799306.

The spelling of 194353441 in words is "one hundred ninety-four million, three hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 7649 25409 194353441