Search a number
-
+
219085433 = 738538123
BaseRepresentation
bin11010000111011…
…11101001111001
3120021020200201022
431003233221321
5422041213213
633423432225
75300124020
oct1503575171
9507220638
10219085433
11102739146
1261455675
133650a368
142114d8b7
1514379308
hexd0efa79

219085433 has 8 divisors (see below), whose sum is σ = 250479168. Its totient is φ = 187715664.

The previous prime is 219085403. The next prime is 219085441. The reversal of 219085433 is 334580912.

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 219085433 - 26 = 219085369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219085393 and 219085402.

It is not an unprimeable number, because it can be changed into a prime (219085403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22910 + ... + 31032.

It is an arithmetic number, because the mean of its divisors is an integer number (31309896).

Almost surely, 2219085433 is an apocalyptic number.

It is an amenable number.

219085433 is a deficient number, since it is larger than the sum of its proper divisors (31393735).

219085433 is an equidigital number, since it uses as much as digits as its factorization.

219085433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 219085433 is about 14801.5348190652. The cubic root of 219085433 is about 602.8433863784.

The spelling of 219085433 in words is "two hundred nineteen million, eighty-five thousand, four hundred thirty-three".

Divisors: 1 7 3853 8123 26971 56861 31297919 219085433