Base | Representation |
---|---|
bin | 11011011010111… |
… | …11111111101100 |
3 | 121000211210200021 |
4 | 31231133333230 |
5 | 432342000330 |
6 | 34454211524 |
7 | 5462143210 |
oct | 1555377754 |
9 | 530753607 |
10 | 230031340 |
11 | 108934a50 |
12 | 65053ba4 |
13 | 38870626 |
14 | 2279c940 |
15 | 152dc67a |
hex | db5ffec |
230031340 has 48 divisors (see below), whose sum is σ = 602267904. Its totient is φ = 71697600.
The previous prime is 230031313. The next prime is 230031341. The reversal of 230031340 is 43130032.
It is not an unprimeable number, because it can be changed into a prime (230031341) 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, 73146 + ... + 76225.
It is an arithmetic number, because the mean of its divisors is an integer number (12547248).
Almost surely, 2230031340 is an apocalyptic number.
230031340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230031340 is an abundant number, since it is smaller than the sum of its proper divisors (372236564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230031340 is a wasteful number, since it uses less digits than its factorization.
230031340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149398 (or 149396 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 230031340 is about 15166.7841021095. The cubic root of 230031340 is about 612.7203949330.
Adding to 230031340 its reverse (43130032), we get a palindrome (273161372).
The spelling of 230031340 in words is "two hundred thirty million, thirty-one thousand, three hundred forty".
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