Base | Representation |
---|---|
bin | 11011011110011… |
… | …01111011101101 |
3 | 121001200200101020 |
4 | 31233031323231 |
5 | 433000403040 |
6 | 34512004353 |
7 | 5466030102 |
oct | 1557157355 |
9 | 531620336 |
10 | 230481645 |
11 | 1091122a9 |
12 | 652306b9 |
13 | 3899a594 |
14 | 22878aa9 |
15 | 1537acd0 |
hex | dbcdeed |
230481645 has 16 divisors (see below), whose sum is σ = 368958912. Its totient is φ = 122860800.
The previous prime is 230481611. The next prime is 230481679. The reversal of 230481645 is 546184032.
It is an interprime number because it is at equal distance from previous prime (230481611) and next prime (230481679).
It is not a de Polignac number, because 230481645 - 28 = 230481389 is a prime.
It is a super-3 number, since 3×2304816453 (a number of 26 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54870 + ... + 58920.
It is an arithmetic number, because the mean of its divisors is an integer number (23059932).
Almost surely, 2230481645 is an apocalyptic number.
It is an amenable number.
230481645 is a deficient number, since it is larger than the sum of its proper divisors (138477267).
230481645 is a wasteful number, since it uses less digits than its factorization.
230481645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7852.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 230481645 is about 15181.6219489223. The cubic root of 230481645 is about 613.1199509436.
The spelling of 230481645 in words is "two hundred thirty million, four hundred eighty-one thousand, six hundred forty-five".
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