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230212246 = 21119717757
BaseRepresentation
bin11011011100011…
…00001010010110
3121001011222211111
431232030022112
5432413242441
634502125234
75463525505
oct1556141226
9531158744
10230212246
11108a48960
126512081a
1338904a84
142280883c
1515326081
hexdb8c296

230212246 has 32 divisors (see below), whose sum is σ = 402174720. Its totient is φ = 97725600.

The previous prime is 230212223. The next prime is 230212247. The reversal of 230212246 is 642212032.

230212246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230212247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25800 + ... + 33556.

It is an arithmetic number, because the mean of its divisors is an integer number (12567960).

Almost surely, 2230212246 is an apocalyptic number.

230212246 is a deficient number, since it is larger than the sum of its proper divisors (171962474).

230212246 is a wasteful number, since it uses less digits than its factorization.

230212246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 230212246 is about 15172.7468178969. The cubic root of 230212246 is about 612.8809755895.

Adding to 230212246 its reverse (642212032), we get a palindrome (872424278).

The spelling of 230212246 in words is "two hundred thirty million, two hundred twelve thousand, two hundred forty-six".

Divisors: 1 2 11 19 22 38 71 142 209 418 781 1349 1562 2698 7757 14839 15514 29678 85327 147383 170654 294766 550747 1101494 1621213 3242426 6058217 10464193 12116434 20928386 115106123 230212246