Base | Representation |
---|---|
bin | 101111100000… |
… | …010100001111 |
3 | 212102200111020 |
4 | 233200110033 |
5 | 11142000020 |
6 | 1122525223 |
7 | 210564342 |
oct | 57402417 |
9 | 25380436 |
10 | 12453135 |
11 | 7036252 |
12 | 4206813 |
13 | 2770326 |
14 | 1922459 |
15 | 115ec40 |
hex | be050f |
12453135 has 16 divisors (see below), whose sum is σ = 20412000. Its totient is φ = 6479360.
The previous prime is 12453131. The next prime is 12453157. The reversal of 12453135 is 53135421.
12453135 = T241 + T242 + ... + T445.
12453135 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12453135 - 22 = 12453131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12453131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9510 + ... + 10739.
It is an arithmetic number, because the mean of its divisors is an integer number (1275750).
Almost surely, 212453135 is an apocalyptic number.
12453135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12453135 is a deficient number, since it is larger than the sum of its proper divisors (7958865).
12453135 is a wasteful number, since it uses less digits than its factorization.
12453135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20298.
The product of its digits is 1800, while the sum is 24.
The square root of 12453135 is about 3528.8999702457. The cubic root of 12453135 is about 231.7890410401.
Adding to 12453135 its reverse (53135421), we get a palindrome (65588556).
The spelling of 12453135 in words is "twelve million, four hundred fifty-three thousand, one hundred thirty-five".
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