Base | Representation |
---|---|
bin | 1111100100001… |
… | …10000000110100 |
3 | 100002200202120121 |
4 | 13302012000310 |
5 | 231411303330 |
6 | 20542341324 |
7 | 3143563243 |
oct | 762060064 |
9 | 302622517 |
10 | 130572340 |
11 | 67782a28 |
12 | 3788a844 |
13 | 21089152 |
14 | 134ac95a |
15 | b6e317a |
hex | 7c86034 |
130572340 has 12 divisors (see below), whose sum is σ = 274201956. Its totient is φ = 52228928.
The previous prime is 130572301. The next prime is 130572349. The reversal of 130572340 is 43275031.
It can be written as a sum of positive squares in 2 ways, for example, as 19607184 + 110965156 = 4428^2 + 10534^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130572349) 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 3 ways as a sum of consecutive naturals, for example, 3264289 + ... + 3264328.
It is an arithmetic number, because the mean of its divisors is an integer number (22850163).
Almost surely, 2130572340 is an apocalyptic number.
130572340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130572340 is an abundant number, since it is smaller than the sum of its proper divisors (143629616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130572340 is a wasteful number, since it uses less digits than its factorization.
130572340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6528626 (or 6528624 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 130572340 is about 11426.8254559173. The cubic root of 130572340 is about 507.3220387621.
The spelling of 130572340 in words is "one hundred thirty million, five hundred seventy-two thousand, three hundred forty".
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