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230115203 = 2912016607
BaseRepresentation
bin11011011011101…
…00011110000011
3121001000001201022
431231310132003
5432402141303
634500100055
75462642543
oct1555643603
9531001638
10230115203
11108991a5a
126509462b
133889c856
14227c1323
1515307438
hexdb74783

230115203 has 8 divisors (see below), whose sum is σ = 238284480. Its totient is φ = 221961600.

The previous prime is 230115187. The next prime is 230115217. The reversal of 230115203 is 302511032.

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

It is a cyclic number.

It is not a de Polignac number, because 230115203 - 24 = 230115187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230115233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31526 + ... + 38132.

It is an arithmetic number, because the mean of its divisors is an integer number (29785560).

Almost surely, 2230115203 is an apocalyptic number.

230115203 is a deficient number, since it is larger than the sum of its proper divisors (8169277).

230115203 is a wasteful number, since it uses less digits than its factorization.

230115203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 230115203 is about 15169.5485430516. The cubic root of 230115203 is about 612.7948461321.

Adding to 230115203 its reverse (302511032), we get a palindrome (532626235).

The spelling of 230115203 in words is "two hundred thirty million, one hundred fifteen thousand, two hundred three".

Divisors: 1 29 1201 6607 34829 191603 7935007 230115203