Search a number
-
+
190895 = 573523
BaseRepresentation
bin101110100110101111
3100200212012
4232212233
522102040
64031435
71423355
oct564657
9320765
10190895
11120471
129257b
1368b73
144d7d5
153b865
hex2e9af

190895 has 8 divisors (see below), whose sum is σ = 232656. Its totient is φ = 150336.

The previous prime is 190891. The next prime is 190901. The reversal of 190895 is 598091.

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 190895 - 22 = 190891 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190891) 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, 104 + ... + 626.

It is an arithmetic number, because the mean of its divisors is an integer number (29082).

2190895 is an apocalyptic number.

190895 is a deficient number, since it is larger than the sum of its proper divisors (41761).

190895 is an equidigital number, since it uses as much as digits as its factorization.

190895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 190895 is about 436.9153236040. The cubic root of 190895 is about 57.5790971929.

The spelling of 190895 in words is "one hundred ninety thousand, eight hundred ninety-five".

Divisors: 1 5 73 365 523 2615 38179 190895