Base | Representation |
---|---|
bin | 11011011010111… |
… | …10000010001111 |
3 | 121000211101122220 |
4 | 31231132002033 |
5 | 432341221221 |
6 | 34454110423 |
7 | 5462110620 |
oct | 1555360217 |
9 | 530741586 |
10 | 230023311 |
11 | 108929a11 |
12 | 6504b413 |
13 | 38869a8b |
14 | 22799a47 |
15 | 152da0c6 |
hex | db5e08f |
230023311 has 32 divisors (see below), whose sum is σ = 379054080. Its totient is φ = 121069056.
The previous prime is 230023309. The next prime is 230023319. The reversal of 230023311 is 113320032.
It is not a de Polignac number, because 230023311 - 21 = 230023309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230023319) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9925 + ... + 23633.
It is an arithmetic number, because the mean of its divisors is an integer number (11845440).
Almost surely, 2230023311 is an apocalyptic number.
230023311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
230023311 is a deficient number, since it is larger than the sum of its proper divisors (149030769).
230023311 is a wasteful number, since it uses less digits than its factorization.
230023311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13783.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 230023311 is about 15166.5194095415. The cubic root of 230023311 is about 612.7132660648.
Adding to 230023311 its reverse (113320032), we get a palindrome (343343343).
The spelling of 230023311 in words is "two hundred thirty million, twenty-three thousand, three hundred eleven".
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