Base | Representation |
---|---|
bin | 1111100010010… |
… | …01001111100001 |
3 | 100002020010010112 |
4 | 13301021033201 |
5 | 231330322200 |
6 | 20533141105 |
7 | 3141505451 |
oct | 761111741 |
9 | 302203115 |
10 | 130323425 |
11 | 67622a11 |
12 | 3778a795 |
13 | 20ccca6b |
14 | 13445d61 |
15 | b694535 |
hex | 7c493e1 |
130323425 has 6 divisors (see below), whose sum is σ = 161601078. Its totient is φ = 104258720.
The previous prime is 130323409. The next prime is 130323491. The reversal of 130323425 is 524323031.
It can be written as a sum of positive squares in 3 ways, for example, as 37258816 + 93064609 = 6104^2 + 9647^2 .
It is not a de Polignac number, because 130323425 - 24 = 130323409 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130323425.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2606444 + ... + 2606493.
It is an arithmetic number, because the mean of its divisors is an integer number (26933513).
Almost surely, 2130323425 is an apocalyptic number.
It is an amenable number.
130323425 is a deficient number, since it is larger than the sum of its proper divisors (31277653).
130323425 is an equidigital number, since it uses as much as digits as its factorization.
130323425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5212947 (or 5212942 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 130323425 is about 11415.9285649482. The cubic root of 130323425 is about 506.9994579497. Note that the first 3 decimals are identical.
Adding to 130323425 its reverse (524323031), we get a palindrome (654646456).
The spelling of 130323425 in words is "one hundred thirty million, three hundred twenty-three thousand, four hundred twenty-five".
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