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230022111 = 31110216827
BaseRepresentation
bin11011011010111…
…01101111011111
3121000211100000110
431231131233133
5432341201421
634454101103
75462104254
oct1555355737
9530740013
10230022111
11108929020
126504a793
1338869377
142279942b
15152d9a76
hexdb5dbdf

230022111 has 16 divisors (see below), whose sum is σ = 334954368. Its totient is φ = 139250400.

The previous prime is 230022109. The next prime is 230022119. The reversal of 230022111 is 111220032.

It is not a de Polignac number, because 230022111 - 21 = 230022109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230022119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30280 + ... + 37106.

It is an arithmetic number, because the mean of its divisors is an integer number (20934648).

Almost surely, 2230022111 is an apocalyptic number.

230022111 is a deficient number, since it is larger than the sum of its proper divisors (104932257).

230022111 is a wasteful number, since it uses less digits than its factorization.

230022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 230022111 is about 15166.4798486663. The cubic root of 230022111 is about 612.7122005826.

Adding to 230022111 its reverse (111220032), we get a palindrome (341242143).

The spelling of 230022111 in words is "two hundred thirty million, twenty-two thousand, one hundred eleven".

Divisors: 1 3 11 33 1021 3063 6827 11231 20481 33693 75097 225291 6970367 20911101 76674037 230022111