Base | Representation |
---|---|
bin | 1111100100100… |
… | …10011100001010 |
3 | 100002210100101212 |
4 | 13302102130022 |
5 | 231414420432 |
6 | 20543413122 |
7 | 3144164531 |
oct | 762223412 |
9 | 302710355 |
10 | 130623242 |
11 | 678081a2 |
12 | 378b41a2 |
13 | 210a6379 |
14 | 134c3318 |
15 | b7032b2 |
hex | 7c9270a |
130623242 has 8 divisors (see below), whose sum is σ = 198295776. Its totient is φ = 64524652.
The previous prime is 130623239. The next prime is 130623263. The reversal of 130623242 is 242326031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393278 + ... + 393609.
It is an arithmetic number, because the mean of its divisors is an integer number (24786972).
Almost surely, 2130623242 is an apocalyptic number.
130623242 is a deficient number, since it is larger than the sum of its proper divisors (67672534).
130623242 is an equidigital number, since it uses as much as digits as its factorization.
130623242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 786972.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 130623242 is about 11429.0525416589. The cubic root of 130623242 is about 507.3879545894.
Adding to 130623242 its reverse (242326031), we get a palindrome (372949273).
The spelling of 130623242 in words is "one hundred thirty million, six hundred twenty-three thousand, two hundred forty-two".
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