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190450361 is a prime number
BaseRepresentation
bin10110101101000…
…00101010111001
3111021100212210002
423112200222321
5342223402421
630522002345
74501541603
oct1326405271
9437325702
10190450361
11985601a2
12539463b5
13305c272a
141b418173
1511abeb0b
hexb5a0ab9

190450361 has 2 divisors, whose sum is σ = 190450362. Its totient is φ = 190450360.

The previous prime is 190450349. The next prime is 190450367. The reversal of 190450361 is 163054091.

190450361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187005625 + 3444736 = 13675^2 + 1856^2 .

It is an emirp because it is prime and its reverse (163054091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190450361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190450367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95225180 + 95225181.

It is an arithmetic number, because the mean of its divisors is an integer number (95225181).

Almost surely, 2190450361 is an apocalyptic number.

It is an amenable number.

190450361 is a deficient number, since it is larger than the sum of its proper divisors (1).

190450361 is an equidigital number, since it uses as much as digits as its factorization.

190450361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 190450361 is about 13800.3753934449. The cubic root of 190450361 is about 575.3435738730.

The spelling of 190450361 in words is "one hundred ninety million, four hundred fifty thousand, three hundred sixty-one".