Base | Representation |
---|---|
bin | 11011011011100… |
… | …10011011011000 |
3 | 121000222122020120 |
4 | 31231302123120 |
5 | 432401404330 |
6 | 34455553240 |
7 | 5462606265 |
oct | 1555623330 |
9 | 530878216 |
10 | 230106840 |
11 | 108986747 |
12 | 6508b820 |
13 | 38898ac2 |
14 | 227bc26c |
15 | 15304c10 |
hex | db726d8 |
230106840 has 32 divisors (see below), whose sum is σ = 690320880. Its totient is φ = 61361792.
The previous prime is 230106829. The next prime is 230106847. The reversal of 230106840 is 48601032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 230106840.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230106847) 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, 958659 + ... + 958898.
Almost surely, 2230106840 is an apocalyptic number.
230106840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230106840 is an abundant number, since it is smaller than the sum of its proper divisors (460214040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230106840 is a wasteful number, since it uses less digits than its factorization.
230106840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1917571 (or 1917567 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 230106840 is about 15169.2728896279. The cubic root of 230106840 is about 612.7874225093.
Adding to 230106840 its reverse (48601032), we get a palindrome (278707872).
The spelling of 230106840 in words is "two hundred thirty million, one hundred six thousand, eight hundred forty".
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