Base | Representation |
---|---|
bin | 101101100110111… |
… | …1101001010010011 |
3 | 10221122200121121112 |
4 | 1123031331022103 |
5 | 11113234310133 |
6 | 411505243535 |
7 | 52632025655 |
oct | 13315751223 |
9 | 3848617545 |
10 | 1530385043 |
11 | 715953a30 |
12 | 3686335ab |
13 | 1b50a05a5 |
14 | 1073726d5 |
15 | 8e54c648 |
hex | 5b37d293 |
1530385043 has 8 divisors (see below), whose sum is σ = 1675413696. Its totient is φ = 1386340200.
The previous prime is 1530384997. The next prime is 1530385069. The reversal of 1530385043 is 3405830351.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1530385043 - 224 = 1513607827 is a prime.
It is a super-2 number, since 2×15303850432 = 4684156759676223698, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1530385243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242693 + ... + 248918.
It is an arithmetic number, because the mean of its divisors is an integer number (209426712).
Almost surely, 21530385043 is an apocalyptic number.
1530385043 is a deficient number, since it is larger than the sum of its proper divisors (145028653).
1530385043 is a wasteful number, since it uses less digits than its factorization.
1530385043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491905.
The product of its (nonzero) digits is 21600, while the sum is 32.
The square root of 1530385043 is about 39120.1360299271. The cubic root of 1530385043 is about 1152.3920074229.
The spelling of 1530385043 in words is "one billion, five hundred thirty million, three hundred eighty-five thousand, forty-three".
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