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231202214 = 2115601107
BaseRepresentation
bin11011100011111…
…01110110100110
3121010001021210222
431301331312212
5433141432324
634535244342
75505120635
oct1561756646
9533037728
10231202214
11109564711
12655196b2
1338b90559
14229c551c
151546e55e
hexdc7dda6

231202214 has 4 divisors (see below), whose sum is σ = 346803324. Its totient is φ = 115601106.

The previous prime is 231202211. The next prime is 231202229. The reversal of 231202214 is 412202132.

231202214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 231202192 and 231202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231202211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57800552 + ... + 57800555.

It is an arithmetic number, because the mean of its divisors is an integer number (86700831).

Almost surely, 2231202214 is an apocalyptic number.

231202214 is a deficient number, since it is larger than the sum of its proper divisors (115601110).

231202214 is a wasteful number, since it uses less digits than its factorization.

231202214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115601109.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231202214 is about 15205.3350505670. The cubic root of 231202214 is about 613.7582311618.

Adding to 231202214 its reverse (412202132), we get a palindrome (643404346).

The spelling of 231202214 in words is "two hundred thirty-one million, two hundred two thousand, two hundred fourteen".

Divisors: 1 2 115601107 231202214