Search a number
-
+
190963 = 434441
BaseRepresentation
bin101110100111110011
3100200221201
4232213303
522102323
64032031
71423513
oct564763
9320851
10190963
11120523
1292617
1368bc6
144d843
153b8ad
hex2e9f3

190963 has 4 divisors (see below), whose sum is σ = 195448. Its totient is φ = 186480.

The previous prime is 190921. The next prime is 190979. The reversal of 190963 is 369091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369091 = 477853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190913) 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, 2178 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (48862).

2190963 is an apocalyptic number.

190963 is a deficient number, since it is larger than the sum of its proper divisors (4485).

190963 is an equidigital number, since it uses as much as digits as its factorization.

190963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 190963 is about 436.9931349575. The cubic root of 190963 is about 57.5859332612.

The spelling of 190963 in words is "one hundred ninety thousand, nine hundred sixty-three".

Divisors: 1 43 4441 190963