Search a number
-
+
190501 = 296569
BaseRepresentation
bin101110100000100101
3100200022121
4232200211
522044001
64025541
71422253
oct564045
9320277
10190501
11120143
12922b1
136892c
144d5d3
153b6a1
hex2e825

190501 has 4 divisors (see below), whose sum is σ = 197100. Its totient is φ = 183904.

The previous prime is 190471. The next prime is 190507. The reversal of 190501 is 105091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105091 = 715013.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 50625 = 374^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 190501 - 29 = 189989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190507) 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, 3256 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (49275).

2190501 is an apocalyptic number.

It is an amenable number.

190501 is a deficient number, since it is larger than the sum of its proper divisors (6599).

190501 is an equidigital number, since it uses as much as digits as its factorization.

190501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 190501 is about 436.4642024267. The cubic root of 190501 is about 57.5394562210.

Adding to 190501 its reverse (105091), we get a palindrome (295592).

The spelling of 190501 in words is "one hundred ninety thousand, five hundred one".

Divisors: 1 29 6569 190501