Base | Representation |
---|---|
bin | 101101100110110… |
… | …1100111000001101 |
3 | 10221122120020010101 |
4 | 1123031230320031 |
5 | 11113230141344 |
6 | 411504011101 |
7 | 52631330350 |
oct | 13315547015 |
9 | 3848506111 |
10 | 1530318349 |
11 | 71590890a |
12 | 368600a91 |
13 | 1b5079121 |
14 | 107356297 |
15 | 8e5379d4 |
hex | 5b36ce0d |
1530318349 has 16 divisors (see below), whose sum is σ = 1846142080. Its totient is φ = 1242625536.
The previous prime is 1530318337. The next prime is 1530318353. The reversal of 1530318349 is 9438130351.
It is not a de Polignac number, because 1530318349 - 27 = 1530318221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1530318389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32077 + ... + 63949.
It is an arithmetic number, because the mean of its divisors is an integer number (115383880).
Almost surely, 21530318349 is an apocalyptic number.
1530318349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1530318349 is a deficient number, since it is larger than the sum of its proper divisors (315823731).
1530318349 is an frugal number, since it uses more digits than its factorization.
1530318349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31937 (or 31899 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 1530318349 is about 39119.2835951785. The cubic root of 1530318349 is about 1152.3752668104.
The spelling of 1530318349 in words is "one billion, five hundred thirty million, three hundred eighteen thousand, three hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •