Base | Representation |
---|---|
bin | 101111000101… |
… | …011011101100 |
3 | 212020002102220 |
4 | 233011123230 |
5 | 11124434040 |
6 | 1120315340 |
7 | 206625324 |
oct | 57053354 |
9 | 25202386 |
10 | 12343020 |
11 | 6a70548 |
12 | 4172b50 |
13 | 2732181 |
14 | 18d4284 |
15 | 113c2d0 |
hex | bc56ec |
12343020 has 48 divisors (see below), whose sum is σ = 36596448. Its totient is φ = 3097600.
The previous prime is 12343007. The next prime is 12343033. The reversal of 12343020 is 2034321.
It is an interprime number because it is at equal distance from previous prime (12343007) and next prime (12343033).
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, 5031 + ... + 7070.
It is an arithmetic number, because the mean of its divisors is an integer number (762426).
Almost surely, 212343020 is an apocalyptic number.
12343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12343020 is an abundant number, since it is smaller than the sum of its proper divisors (24253428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12343020 is a wasteful number, since it uses less digits than its factorization.
12343020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12130 (or 12128 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 12343020 is about 3513.2634401650. The cubic root of 12343020 is about 231.1038306864.
Adding to 12343020 its reverse (2034321), we get a palindrome (14377341).
The spelling of 12343020 in words is "twelve million, three hundred forty-three thousand, twenty".
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