Base | Representation |
---|---|
bin | 11011011011101… |
… | …01101111011111 |
3 | 121001000022212100 |
4 | 31231311233133 |
5 | 432402323130 |
6 | 34500140143 |
7 | 5462664000 |
oct | 1555655737 |
9 | 531008770 |
10 | 230120415 |
11 | 108995968 |
12 | 65097653 |
13 | 388a2035 |
14 | 227c31a7 |
15 | 15308c60 |
hex | db75bdf |
230120415 has 96 divisors (see below), whose sum is σ = 493084800. Its totient is φ = 98896896.
The previous prime is 230120389. The next prime is 230120441. The reversal of 230120415 is 514021032.
230120415 is a `hidden beast` number, since 230 + 1 + 20 + 415 = 666.
It is an interprime number because it is at equal distance from previous prime (230120389) and next prime (230120441).
It is not a de Polignac number, because 230120415 - 25 = 230120383 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 261957 + ... + 262833.
It is an arithmetic number, because the mean of its divisors is an integer number (5136300).
Almost surely, 2230120415 is an apocalyptic number.
230120415 is an abundant number, since it is smaller than the sum of its proper divisors (262964385).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230120415 is a wasteful number, since it uses less digits than its factorization.
230120415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 926 (or 909 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 230120415 is about 15169.7203336120. The cubic root of 230120415 is about 612.7994726012.
Adding to 230120415 its reverse (514021032), we get a palindrome (744141447).
The spelling of 230120415 in words is "two hundred thirty million, one hundred twenty thousand, four hundred fifteen".
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