Base | Representation |
---|---|
bin | 11011011110000… |
… | …01101010100110 |
3 | 121001121010110020 |
4 | 31233001222212 |
5 | 432442301043 |
6 | 34510540010 |
7 | 5465430441 |
oct | 1557015246 |
9 | 531533406 |
10 | 230431398 |
11 | 10908857a |
12 | 65207606 |
13 | 38980752 |
14 | 22864658 |
15 | 1536ae83 |
hex | dbc1aa6 |
230431398 has 16 divisors (see below), whose sum is σ = 472103856. Its totient is φ = 74936960.
The previous prime is 230431391. The next prime is 230431417. The reversal of 230431398 is 893134032.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230431391) 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, 468111 + ... + 468602.
It is an arithmetic number, because the mean of its divisors is an integer number (29506491).
Almost surely, 2230431398 is an apocalyptic number.
230431398 is an abundant number, since it is smaller than the sum of its proper divisors (241672458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230431398 is a wasteful number, since it uses less digits than its factorization.
230431398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 936759.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 230431398 is about 15179.9669960116. The cubic root of 230431398 is about 613.0753925476.
The spelling of 230431398 in words is "two hundred thirty million, four hundred thirty-one thousand, three hundred ninety-eight".
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