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194110801 = 858122621
BaseRepresentation
bin10111001000111…
…10010101010001
3111112020211221221
423210132111101
5344143021201
631132245041
74544625463
oct1344362521
9445224857
10194110801
119a630355
1255010781
13312a4881
141bacc133
15120944a1
hexb91e551

194110801 has 4 divisors (see below), whose sum is σ = 194142004. Its totient is φ = 194079600.

The previous prime is 194110753. The next prime is 194110853. The reversal of 194110801 is 108011491.

194110801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108011491 = 715430213.

It can be written as a sum of positive squares in 2 ways, for example, as 84364225 + 109746576 = 9185^2 + 10476^2 .

It is a cyclic number.

It is not a de Polignac number, because 194110801 - 27 = 194110673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194110001) 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, 2730 + ... + 19891.

It is an arithmetic number, because the mean of its divisors is an integer number (48535501).

Almost surely, 2194110801 is an apocalyptic number.

It is an amenable number.

194110801 is a deficient number, since it is larger than the sum of its proper divisors (31203).

194110801 is an equidigital number, since it uses as much as digits as its factorization.

194110801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31202.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 194110801 is about 13932.3652335129. The cubic root of 194110801 is about 579.0062262995.

The spelling of 194110801 in words is "one hundred ninety-four million, one hundred ten thousand, eight hundred one".

Divisors: 1 8581 22621 194110801