Base | Representation |
---|---|
bin | 11011011110100… |
… | …10110100011100 |
3 | 121001201200211112 |
4 | 31233102310130 |
5 | 433002023120 |
6 | 34512241152 |
7 | 5466142334 |
oct | 1557226434 |
9 | 531650745 |
10 | 230501660 |
11 | 109126344 |
12 | 652401b8 |
13 | 389a671c |
14 | 228820c4 |
15 | 15381bc5 |
hex | dbd2d1c |
230501660 has 24 divisors (see below), whose sum is σ = 485131920. Its totient is φ = 91995264.
The previous prime is 230501627. The next prime is 230501669. The reversal of 230501660 is 66105032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230501669) 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, 3470 + ... + 21749.
It is an arithmetic number, because the mean of its divisors is an integer number (20213830).
Almost surely, 2230501660 is an apocalyptic number.
230501660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230501660 is an abundant number, since it is smaller than the sum of its proper divisors (254630260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230501660 is a wasteful number, since it uses less digits than its factorization.
230501660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25685 (or 25683 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 230501660 is about 15182.2811197791. The cubic root of 230501660 is about 613.1376981856.
Adding to 230501660 its reverse (66105032), we get a palindrome (296606692).
The spelling of 230501660 in words is "two hundred thirty million, five hundred one thousand, six hundred sixty".
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