Base | Representation |
---|---|
bin | 11011100000011… |
… | …01011000010000 |
3 | 121002011212212020 |
4 | 31300031120100 |
5 | 433032212040 |
6 | 34521331440 |
7 | 5501161542 |
oct | 1560153020 |
9 | 532155766 |
10 | 230741520 |
11 | 10927a579 |
12 | 65336b80 |
13 | 38a5b959 |
14 | 22905692 |
15 | 153cccd0 |
hex | dc0d610 |
230741520 has 80 divisors (see below), whose sum is σ = 746416512. Its totient is φ = 58854400.
The previous prime is 230741513. The next prime is 230741521. The reversal of 230741520 is 25147032.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (230741521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15381 + ... + 26420.
Almost surely, 2230741520 is an apocalyptic number.
230741520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230741520 is an abundant number, since it is smaller than the sum of its proper divisors (515674992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230741520 is a wasteful number, since it uses less digits than its factorization.
230741520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41840 (or 41834 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 230741520 is about 15190.1784057989. The cubic root of 230741520 is about 613.3503014629.
Adding to 230741520 its reverse (25147032), we get a palindrome (255888552).
The spelling of 230741520 in words is "two hundred thirty million, seven hundred forty-one thousand, five hundred twenty".
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