Base | Representation |
---|---|
bin | 110000110010… |
… | …010010100010 |
3 | 220001202001220 |
4 | 300302102202 |
5 | 11233221043 |
6 | 1134035510 |
7 | 213463263 |
oct | 60622242 |
9 | 26052056 |
10 | 12788898 |
11 | 7245541 |
12 | 4348b96 |
13 | 285a0c5 |
14 | 19ac96a |
15 | 11c9483 |
hex | c324a2 |
12788898 has 8 divisors (see below), whose sum is σ = 25577808. Its totient is φ = 4262964.
The previous prime is 12788891. The next prime is 12788933. The reversal of 12788898 is 89888721.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
12788898 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 12788898.
It is not an unprimeable number, because it can be changed into a prime (12788891) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065736 + ... + 1065747.
It is an arithmetic number, because the mean of its divisors is an integer number (3197226).
Almost surely, 212788898 is an apocalyptic number.
12788898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12788898 is a wasteful number, since it uses less digits than its factorization.
12788898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2131488.
The product of its digits is 516096, while the sum is 51.
The square root of 12788898 is about 3576.1568757536. The cubic root of 12788898 is about 233.8537694012.
The spelling of 12788898 in words is "twelve million, seven hundred eighty-eight thousand, eight hundred ninety-eight".
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