Search a number
-
+
190297361 = 594916569
BaseRepresentation
bin10110101011110…
…11010100010001
3111021002002220102
423111323110101
5342204003421
630514422145
74500333542
oct1325732421
9437062812
10190297361
1198466251
1253891955
133056abb7
141b3b84c9
1511a8e60b
hexb57b511

190297361 has 8 divisors (see below), whose sum is σ = 193946400. Its totient is φ = 186662560.

The previous prime is 190297321. The next prime is 190297381. The reversal of 190297361 is 163792091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 190297361 - 218 = 190035217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190297301) 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, 25685 + ... + 32253.

It is an arithmetic number, because the mean of its divisors is an integer number (24243300).

Almost surely, 2190297361 is an apocalyptic number.

It is an amenable number.

190297361 is a deficient number, since it is larger than the sum of its proper divisors (3649039).

190297361 is an equidigital number, since it uses as much as digits as its factorization.

190297361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 190297361 is about 13794.8309522081. The cubic root of 190297361 is about 575.1894634625.

The spelling of 190297361 in words is "one hundred ninety million, two hundred ninety-seven thousand, three hundred sixty-one".

Divisors: 1 59 491 6569 28969 387571 3225379 190297361