Base | Representation |
---|---|
bin | 11011011101111… |
… | …11110001011010 |
3 | 121001120201210222 |
4 | 31232333301122 |
5 | 432442024032 |
6 | 34510440042 |
7 | 5465366021 |
oct | 1556776132 |
9 | 531521728 |
10 | 230423642 |
11 | 109082769 |
12 | 65203022 |
13 | 3897a067 |
14 | 228618b8 |
15 | 15368a12 |
hex | dbbfc5a |
230423642 has 8 divisors (see below), whose sum is σ = 354977076. Its totient is φ = 112097952.
The previous prime is 230423639. The next prime is 230423663. The reversal of 230423642 is 246324032.
It can be written as a sum of positive squares in 2 ways, for example, as 229189321 + 1234321 = 15139^2 + 1111^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556843 + ... + 1556990.
Almost surely, 2230423642 is an apocalyptic number.
230423642 is a deficient number, since it is larger than the sum of its proper divisors (124553434).
230423642 is a wasteful number, since it uses less digits than its factorization.
230423642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3113872.
The product of its (nonzero) digits is 6912, while the sum is 26.
The square root of 230423642 is about 15179.7115255857. The cubic root of 230423642 is about 613.0685140490.
Adding to 230423642 its reverse (246324032), we get a palindrome (476747674).
The spelling of 230423642 in words is "two hundred thirty million, four hundred twenty-three thousand, six hundred forty-two".
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