Base | Representation |
---|---|
bin | 101111001100… |
… | …000110100100 |
3 | 212021110220202 |
4 | 233030012210 |
5 | 11131322330 |
6 | 1121050032 |
7 | 210101063 |
oct | 57140644 |
9 | 25243822 |
10 | 12370340 |
11 | 6a8a024 |
12 | 4186918 |
13 | 2741738 |
14 | 19001da |
15 | 1145445 |
hex | bcc1a4 |
12370340 has 24 divisors (see below), whose sum is σ = 26045880. Its totient is φ = 4935168.
The previous prime is 12370331. The next prime is 12370357. The reversal of 12370340 is 4307321.
It can be written as a sum of positive squares in 4 ways, for example, as 246016 + 12124324 = 496^2 + 3482^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11756 + ... + 12764.
It is an arithmetic number, because the mean of its divisors is an integer number (1085245).
Almost surely, 212370340 is an apocalyptic number.
12370340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12370340 is an abundant number, since it is smaller than the sum of its proper divisors (13675540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12370340 is a wasteful number, since it uses less digits than its factorization.
12370340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 12370340 is about 3517.1494139431. The cubic root of 12370340 is about 231.2742131939.
Adding to 12370340 its reverse (4307321), we get a palindrome (16677661).
The spelling of 12370340 in words is "twelve million, three hundred seventy thousand, three hundred forty".
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