Base | Representation |
---|---|
bin | 111101001001… |
… | …101101000010 |
3 | 1010011102202100 |
4 | 331021231002 |
5 | 13100434110 |
6 | 1331331230 |
7 | 253154145 |
oct | 75115502 |
9 | 33142670 |
10 | 16030530 |
11 | 9059a7a |
12 | 5450b16 |
13 | 3423729 |
14 | 21b405c |
15 | 1619bc0 |
hex | f49b42 |
16030530 has 24 divisors (see below), whose sum is σ = 41679612. Its totient is φ = 4274784.
The previous prime is 16030523. The next prime is 16030543. The reversal of 16030530 is 3503061.
16030530 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 13771521 + 2259009 = 3711^2 + 1503^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88969 + ... + 89148.
Almost surely, 216030530 is an apocalyptic number.
16030530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
16030530 is an abundant number, since it is smaller than the sum of its proper divisors (25649082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16030530 is a wasteful number, since it uses less digits than its factorization.
16030530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178130 (or 178127 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 16030530 is about 4003.8144312643. The cubic root of 16030530 is about 252.1443806038.
Adding to 16030530 its reverse (3503061), we get a palindrome (19533591).
The spelling of 16030530 in words is "sixteen million, thirty thousand, five hundred thirty".
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