Base | Representation |
---|---|
bin | 1111100001100… |
… | …00110010011000 |
3 | 100002001000201120 |
4 | 13300300302120 |
5 | 231314121011 |
6 | 20531045240 |
7 | 3140610432 |
oct | 760606230 |
9 | 302030646 |
10 | 130223256 |
11 | 67564729 |
12 | 37740820 |
13 | 20c962a7 |
14 | 1341b652 |
15 | b674a06 |
hex | 7c30c98 |
130223256 has 32 divisors (see below), whose sum is σ = 326112000. Its totient is φ = 43333920.
The previous prime is 130223243. The next prime is 130223267. The reversal of 130223256 is 652322031.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10845 + ... + 19443.
It is an arithmetic number, because the mean of its divisors is an integer number (10191000).
Almost surely, 2130223256 is an apocalyptic number.
It is an amenable number.
130223256 is an abundant number, since it is smaller than the sum of its proper divisors (195888744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130223256 is a wasteful number, since it uses less digits than its factorization.
130223256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9239 (or 9235 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 130223256 is about 11411.5404744495. The cubic root of 130223256 is about 506.8695282617.
Adding to 130223256 its reverse (652322031), we get a palindrome (782545287).
The spelling of 130223256 in words is "one hundred thirty million, two hundred twenty-three thousand, two hundred fifty-six".
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