Base | Representation |
---|---|
bin | 1111100110110… |
… | …10010001111100 |
3 | 100010100022001022 |
4 | 13303122101330 |
5 | 232003330000 |
6 | 20554003312 |
7 | 3146531450 |
oct | 763322174 |
9 | 303308038 |
10 | 130917500 |
11 | 6799928a |
12 | 37a16538 |
13 | 2117a29c |
14 | 1355c660 |
15 | b760585 |
hex | 7cda47c |
130917500 has 60 divisors (see below), whose sum is σ = 327232752. Its totient is φ = 44880000.
The previous prime is 130917491. The next prime is 130917503. The reversal of 130917500 is 5719031.
It is a self number, because there is not a number n which added to its sum of digits gives 130917500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130917503) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13760 + ... + 21240.
Almost surely, 2130917500 is an apocalyptic number.
130917500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130917500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163616376).
130917500 is an abundant number, since it is smaller than the sum of its proper divisors (196315252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130917500 is an equidigital number, since it uses as much as digits as its factorization.
130917500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7512 (or 7495 counting only the distinct ones).
The product of its (nonzero) digits is 945, while the sum is 26.
The square root of 130917500 is about 11441.9185454189. The cubic root of 130917500 is about 507.7686703789.
The spelling of 130917500 in words is "one hundred thirty million, nine hundred seventeen thousand, five hundred".
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