Base | Representation |
---|---|
bin | 11011011011110… |
… | …11011010000010 |
3 | 121001001111200201 |
4 | 31231323122002 |
5 | 432404043433 |
6 | 34500435414 |
7 | 5463121435 |
oct | 1555733202 |
9 | 531044621 |
10 | 230143618 |
11 | 108a01341 |
12 | 650a8b6a |
13 | 388ac773 |
14 | 227cb81c |
15 | 15310a7d |
hex | db7b682 |
230143618 has 8 divisors (see below), whose sum is σ = 363384720. Its totient is φ = 109015380.
The previous prime is 230143609. The next prime is 230143621. The reversal of 230143618 is 816341032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2301436182 = 105932169812259848, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028168 + ... + 3028243.
It is an arithmetic number, because the mean of its divisors is an integer number (45423090).
Almost surely, 2230143618 is an apocalyptic number.
230143618 is a deficient number, since it is larger than the sum of its proper divisors (133241102).
230143618 is a wasteful number, since it uses less digits than its factorization.
230143618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6056432.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 230143618 is about 15170.4850944194. The cubic root of 230143618 is about 612.8200680625.
The spelling of 230143618 in words is "two hundred thirty million, one hundred forty-three thousand, six hundred eighteen".
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