Base | Representation |
---|---|
bin | 11011011010111… |
… | …01011000101111 |
3 | 121000211021000112 |
4 | 31231131120233 |
5 | 432341130110 |
6 | 34454050235 |
7 | 5462100104 |
oct | 1555353057 |
9 | 530737015 |
10 | 230020655 |
11 | 108927a17 |
12 | 6504997b |
13 | 388687c7 |
14 | 22798aab |
15 | 152d9405 |
hex | db5d62f |
230020655 has 8 divisors (see below), whose sum is σ = 276447600. Its totient is φ = 183734656.
The previous prime is 230020649. The next prime is 230020657. The reversal of 230020655 is 556020032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230020655 - 218 = 229758511 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230020655.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230020657) 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, 31610 + ... + 38199.
It is an arithmetic number, because the mean of its divisors is an integer number (34555950).
Almost surely, 2230020655 is an apocalyptic number.
230020655 is a deficient number, since it is larger than the sum of its proper divisors (46426945).
230020655 is an equidigital number, since it uses as much as digits as its factorization.
230020655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70473.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 230020655 is about 15166.4318479991. The cubic root of 230020655 is about 612.7109077927.
Adding to 230020655 its reverse (556020032), we get a palindrome (786040687).
The spelling of 230020655 in words is "two hundred thirty million, twenty thousand, six hundred fifty-five".
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