Base | Representation |
---|---|
bin | 101111101001… |
… | …011011100110 |
3 | 212111120201000 |
4 | 233221123212 |
5 | 11144143340 |
6 | 1123414130 |
7 | 211111236 |
oct | 57513346 |
9 | 25446630 |
10 | 12490470 |
11 | 7061303 |
12 | 4224346 |
13 | 2784315 |
14 | 1931cc6 |
15 | 116ad30 |
hex | be96e6 |
12490470 has 32 divisors (see below), whose sum is σ = 33308640. Its totient is φ = 3330720.
The previous prime is 12490463. The next prime is 12490483. The reversal of 12490470 is 7409421.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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, 22861 + ... + 23400.
It is an arithmetic number, because the mean of its divisors is an integer number (1040895).
Almost surely, 212490470 is an apocalyptic number.
12490470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12490470 is an abundant number, since it is smaller than the sum of its proper divisors (20818170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12490470 is a wasteful number, since it uses less digits than its factorization.
12490470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46277 (or 46271 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 12490470 is about 3534.1859034295. The cubic root of 12490470 is about 232.0204475636.
Adding to 12490470 its reverse (7409421), we get a palindrome (19899891).
The spelling of 12490470 in words is "twelve million, four hundred ninety thousand, four hundred seventy".
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