Search a number
-
+
229441891 = 7191725127
BaseRepresentation
bin11011010110100…
…00000101100011
3120222201212002211
431223100011203
5432214120031
634433422551
75454136540
oct1553200543
9528655084
10229441891
111085720a8
1264a0aa57
13386c5243
1422687bc7
1515222bb1
hexdad0163

229441891 has 8 divisors (see below), whose sum is σ = 276020480. Its totient is φ = 186313608.

The previous prime is 229441871. The next prime is 229441907. The reversal of 229441891 is 198144922.

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 229441891 - 215 = 229409123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229441811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862431 + ... + 862696.

It is an arithmetic number, because the mean of its divisors is an integer number (34502560).

Almost surely, 2229441891 is an apocalyptic number.

229441891 is a deficient number, since it is larger than the sum of its proper divisors (46578589).

229441891 is a wasteful number, since it uses less digits than its factorization.

229441891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725153.

The product of its digits is 41472, while the sum is 40.

The square root of 229441891 is about 15147.3394033408. The cubic root of 229441891 is about 612.1965875279.

The spelling of 229441891 in words is "two hundred twenty-nine million, four hundred forty-one thousand, eight hundred ninety-one".

Divisors: 1 7 19 133 1725127 12075889 32777413 229441891