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234203443 = 192648763
BaseRepresentation
bin11011111010110…
…10100100110011
3121022200202201121
431331122210303
5434424002233
635123443111
75542460605
oct1575324463
9538622647
10234203443
11110224571
1266526497
13396a1626
1423167175
151586392d
hexdf5a933

234203443 has 6 divisors (see below), whose sum is σ = 247179084. Its totient is φ = 221876604.

The previous prime is 234203423. The next prime is 234203447. The reversal of 234203443 is 344302432.

It is a de Polignac number, because none of the positive numbers 2k-234203443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234203447) 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 5 ways as a sum of consecutive naturals, for example, 324021 + ... + 324742.

It is an arithmetic number, because the mean of its divisors is an integer number (41196514).

Almost surely, 2234203443 is an apocalyptic number.

234203443 is a deficient number, since it is larger than the sum of its proper divisors (12975641).

234203443 is an equidigital number, since it uses as much as digits as its factorization.

234203443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648801 (or 648782 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 234203443 is about 15303.7068385408. The cubic root of 234203443 is about 616.4025477492.

Adding to 234203443 its reverse (344302432), we get a palindrome (578505875).

The spelling of 234203443 in words is "two hundred thirty-four million, two hundred three thousand, four hundred forty-three".

Divisors: 1 19 361 648763 12326497 234203443