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230142214 = 2115071107
BaseRepresentation
bin11011011011110…
…11000100000110
3121001001102202201
431231323010012
5432404022324
634500425114
75463114361
oct1555730406
9531042681
10230142214
11108a00285
12650a819a
13388abc33
14227cb0d8
1515310444
hexdb7b106

230142214 has 4 divisors (see below), whose sum is σ = 345213324. Its totient is φ = 115071106.

The previous prime is 230142197. The next prime is 230142281. The reversal of 230142214 is 412241032.

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 = 230142191 and 230142200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57535552 + ... + 57535555.

It is an arithmetic number, because the mean of its divisors is an integer number (86303331).

Almost surely, 2230142214 is an apocalyptic number.

230142214 is a deficient number, since it is larger than the sum of its proper divisors (115071110).

230142214 is a wasteful number, since it uses less digits than its factorization.

230142214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115071109.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 230142214 is about 15170.4388202847. The cubic root of 230142214 is about 612.8188218824.

Adding to 230142214 its reverse (412241032), we get a palindrome (642383246).

The spelling of 230142214 in words is "two hundred thirty million, one hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 115071107 230142214