Base | Representation |
---|---|
bin | 110001101101… |
… | …010010000010 |
3 | 220112000112020 |
4 | 301231102002 |
5 | 11313434110 |
6 | 1143142310 |
7 | 215520612 |
oct | 61552202 |
9 | 26460466 |
10 | 13030530 |
11 | 73a0037 |
12 | 4444996 |
13 | 2913096 |
14 | 1a32a42 |
15 | 1225d70 |
hex | c6d482 |
13030530 has 32 divisors (see below), whose sum is σ = 31584384. Its totient is φ = 3440256.
The previous prime is 13030513. The next prime is 13030543. The reversal of 13030530 is 3503031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982 + ... + 5198.
It is an arithmetic number, because the mean of its divisors is an integer number (987012).
Almost surely, 213030530 is an apocalyptic number.
13030530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13030530 is an abundant number, since it is smaller than the sum of its proper divisors (18553854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13030530 is a wasteful number, since it uses less digits than its factorization.
13030530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4330.
The product of its (nonzero) digits is 135, while the sum is 15.
The square root of 13030530 is about 3609.7825419269. The cubic root of 13030530 is about 235.3173921707.
Adding to 13030530 its reverse (3503031), we get a palindrome (16533561).
The spelling of 13030530 in words is "thirteen million, thirty thousand, five hundred thirty".
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