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231245214 = 2338540869
BaseRepresentation
bin11011100100010…
…00010110011110
3121010010110210120
431302020112132
5433144321324
634540215410
75505360204
oct1562102636
9533113716
10231245214
11109593a52
126553a566
1338ba6cb5
14229d7074
151547c179
hexdc8859e

231245214 has 8 divisors (see below), whose sum is σ = 462490440. Its totient is φ = 77081736.

The previous prime is 231245171. The next prime is 231245233. The reversal of 231245214 is 412542132.

231245214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

231245214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19270429 + ... + 19270440.

It is an arithmetic number, because the mean of its divisors is an integer number (57811305).

Almost surely, 2231245214 is an apocalyptic number.

231245214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231245214 is a wasteful number, since it uses less digits than its factorization.

231245214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38540874.

The product of its digits is 1920, while the sum is 24.

The square root of 231245214 is about 15206.7489622207. The cubic root of 231245214 is about 613.7962786175.

Adding to 231245214 its reverse (412542132), we get a palindrome (643787346).

The spelling of 231245214 in words is "two hundred thirty-one million, two hundred forty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 38540869 77081738 115622607 231245214