Base | Representation |
---|---|
bin | 1111100010100… |
… | …00101001111010 |
3 | 100002021122210000 |
4 | 13301100221322 |
5 | 231332310121 |
6 | 20533533430 |
7 | 3141663123 |
oct | 761205172 |
9 | 302248700 |
10 | 130353786 |
11 | 67643802 |
12 | 377a4276 |
13 | 21010824 |
14 | 1345304a |
15 | b69d526 |
hex | 7c50a7a |
130353786 has 20 divisors (see below), whose sum is σ = 292089402. Its totient is φ = 43451208.
The previous prime is 130353779. The next prime is 130353787. The reversal of 130353786 is 687353031.
It can be written as a sum of positive squares in only one way, i.e., 87778161 + 42575625 = 9369^2 + 6525^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 130353786.
It is not an unprimeable number, because it can be changed into a prime (130353787) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 402165 + ... + 402488.
Almost surely, 2130353786 is an apocalyptic number.
130353786 is an abundant number, since it is smaller than the sum of its proper divisors (161735616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130353786 is an equidigital number, since it uses as much as digits as its factorization.
130353786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804667 (or 804658 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 130353786 is about 11417.2582523126. The cubic root of 130353786 is about 507.0388261993.
The spelling of 130353786 in words is "one hundred thirty million, three hundred fifty-three thousand, seven hundred eighty-six".
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