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8194425449 = 73133740039
BaseRepresentation
bin1111010000110110…
…10000001001101001
3210011002020221110212
413220123100021221
5113240233103244
63433042550505
7410031316130
oct75033201151
923132227425
108194425449
1135255a3141
121708368435
13a078c7c72
1457a438917
1532e602d9e
hex1e86d0269

8194425449 has 8 divisors (see below), whose sum is σ = 9394980480. Its totient is φ = 7001351136.

The previous prime is 8194425443. The next prime is 8194425451. The reversal of 8194425449 is 9445244918.

It is a happy number.

8194425449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8194425449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8194425397 and 8194425406.

It is not an unprimeable number, because it can be changed into a prime (8194425443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867829 + ... + 1872210.

It is an arithmetic number, because the mean of its divisors is an integer number (1174372560).

Almost surely, 28194425449 is an apocalyptic number.

It is an amenable number.

8194425449 is a deficient number, since it is larger than the sum of its proper divisors (1200555031).

8194425449 is a wasteful number, since it uses less digits than its factorization.

8194425449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740359.

The product of its digits is 1658880, while the sum is 50.

The square root of 8194425449 is about 90523.0658395969. The cubic root of 8194425449 is about 2016.0726103468.

The spelling of 8194425449 in words is "eight billion, one hundred ninety-four million, four hundred twenty-five thousand, four hundred forty-nine".

Divisors: 1 7 313 2191 3740039 26180273 1170632207 8194425449