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4230203231 = 8874769113
BaseRepresentation
bin1111110000100011…
…1100011101011111
3101220210212120220202
43330020330131133
532130413000411
61535431534115
7206554064012
oct37410743537
911823776822
104230203231
111880926331
129a082a33b
13525522347
142c1b59379
1519b59883b
hexfc23c75f

4230203231 has 4 divisors (see below), whose sum is σ = 4234973232. Its totient is φ = 4225433232.

The previous prime is 4230203213. The next prime is 4230203267. The reversal of 4230203231 is 1323020324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4230203231 is a prime.

It is a super-2 number, since 2×42302032312 = 35789238751125678722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230203281) 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, 2383670 + ... + 2385443.

It is an arithmetic number, because the mean of its divisors is an integer number (1058743308).

Almost surely, 24230203231 is an apocalyptic number.

4230203231 is a deficient number, since it is larger than the sum of its proper divisors (4770001).

4230203231 is an equidigital number, since it uses as much as digits as its factorization.

4230203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770000.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 4230203231 is about 65040.0125384367. The cubic root of 4230203231 is about 1617.2869326068.

Adding to 4230203231 its reverse (1323020324), we get a palindrome (5553223555).

It can be divided in two parts, 423020323 and 1, that added together give a palindrome (423020324).

The spelling of 4230203231 in words is "four billion, two hundred thirty million, two hundred three thousand, two hundred thirty-one".

Divisors: 1 887 4769113 4230203231