Base | Representation |
---|---|
bin | 1111100001101… |
… | …11101010100000 |
3 | 100002002110100211 |
4 | 13300313222200 |
5 | 231321021144 |
6 | 20531423504 |
7 | 3141055522 |
oct | 760675240 |
9 | 302073324 |
10 | 130251424 |
11 | 67583906 |
12 | 37754b94 |
13 | 20ca6064 |
14 | 13427a12 |
15 | b67d034 |
hex | 7c37aa0 |
130251424 has 24 divisors (see below), whose sum is σ = 262689588. Its totient is φ = 63536640.
The previous prime is 130251389. The next prime is 130251449. The reversal of 130251424 is 424152031.
It can be written as a sum of positive squares in 2 ways, for example, as 85895824 + 44355600 = 9268^2 + 6660^2 .
It is a junction number, because it is equal to n+sod(n) for n = 130251395 and 130251404.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48327 + ... + 50950.
Almost surely, 2130251424 is an apocalyptic number.
It is an amenable number.
130251424 is an abundant number, since it is smaller than the sum of its proper divisors (132438164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130251424 is an equidigital number, since it uses as much as digits as its factorization.
130251424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99328 (or 99320 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 130251424 is about 11412.7745969155. The cubic root of 130251424 is about 506.9060718408.
The spelling of 130251424 in words is "one hundred thirty million, two hundred fifty-one thousand, four hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •