Search a number
-
+
1830995 = 5366199
BaseRepresentation
bin110111111000001010011
310110000122122
412333001103
5432042440
6103124455
721364115
oct6770123
93400578
101830995
111040721
1274372b
134c153a
143593b5
152627b5
hex1bf053

1830995 has 4 divisors (see below), whose sum is σ = 2197200. Its totient is φ = 1464792.

The previous prime is 1830977. The next prime is 1831001. The reversal of 1830995 is 5990381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1830995 - 26 = 1830931 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183095 + ... + 183104.

It is an arithmetic number, because the mean of its divisors is an integer number (549300).

21830995 is an apocalyptic number.

1830995 is a deficient number, since it is larger than the sum of its proper divisors (366205).

1830995 is an equidigital number, since it uses as much as digits as its factorization.

1830995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366204.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1830995 is about 1353.1426384532. The cubic root of 1830995 is about 122.3382844570.

It can be divided in two parts, 18 and 30995, that added together give a palindrome (31013).

The spelling of 1830995 in words is "one million, eight hundred thirty thousand, nine hundred ninety-five".

Divisors: 1 5 366199 1830995