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194460481 is a prime number
BaseRepresentation
bin10111001011100…
…11101101000001
3111112220121122001
423211303231001
5344240213411
631143544001
74550613115
oct1345635501
9445817561
10194460481
119a84a046
125515b001
1331397a97
141bb7d745
1512112dc1
hexb973b41

194460481 has 2 divisors, whose sum is σ = 194460482. Its totient is φ = 194460480.

The previous prime is 194460437. The next prime is 194460503. The reversal of 194460481 is 184064491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123210000 + 71250481 = 11100^2 + 8441^2 .

It is a cyclic number.

It is not a de Polignac number, because 194460481 - 215 = 194427713 is a prime.

It is a super-2 number, since 2×1944604812 = 75629757341502722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194460481.

It is not a weakly prime, because it can be changed into another prime (194460181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97230240 + 97230241.

It is an arithmetic number, because the mean of its divisors is an integer number (97230241).

Almost surely, 2194460481 is an apocalyptic number.

It is an amenable number.

194460481 is a deficient number, since it is larger than the sum of its proper divisors (1).

194460481 is an equidigital number, since it uses as much as digits as its factorization.

194460481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 194460481 is about 13944.9087842123. The cubic root of 194460481 is about 579.3537004226.

The spelling of 194460481 in words is "one hundred ninety-four million, four hundred sixty thousand, four hundred eighty-one".