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230038211 = 1389198823
BaseRepresentation
bin11011011011000…
…01101011000011
3121000212011002202
431231201223003
5432342210321
634454303415
75462202224
oct1555415303
9530764082
10230038211
1110893a127
1265057b6b
13388737b0
14227a124b
15152de70b
hexdb61ac3

230038211 has 8 divisors (see below), whose sum is σ = 250518240. Its totient is φ = 209956032.

The previous prime is 230038183. The next prime is 230038241. The reversal of 230038211 is 112830032.

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

It is not a de Polignac number, because 230038211 - 218 = 229776067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230038241) 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, 98255 + ... + 100568.

It is an arithmetic number, because the mean of its divisors is an integer number (31314780).

Almost surely, 2230038211 is an apocalyptic number.

230038211 is a deficient number, since it is larger than the sum of its proper divisors (20480029).

230038211 is a wasteful number, since it uses less digits than its factorization.

230038211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198925.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 230038211 is about 15167.0106151476. The cubic root of 230038211 is about 612.7264954929.

Adding to 230038211 its reverse (112830032), we get a palindrome (342868243).

The spelling of 230038211 in words is "two hundred thirty million, thirty-eight thousand, two hundred eleven".

Divisors: 1 13 89 1157 198823 2584699 17695247 230038211