Base | Representation |
---|---|
bin | 110000101001… |
… | …011111011001 |
3 | 212222220122001 |
4 | 300221133121 |
5 | 11231042412 |
6 | 1133201001 |
7 | 213253225 |
oct | 60513731 |
9 | 25886561 |
10 | 12752857 |
11 | 7220457 |
12 | 4330161 |
13 | 2846890 |
14 | 199d785 |
15 | 11bd957 |
hex | c297d9 |
12752857 has 8 divisors (see below), whose sum is σ = 14456960. Its totient is φ = 11152080.
The previous prime is 12752851. The next prime is 12752869. The reversal of 12752857 is 75825721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12752857 - 23 = 12752849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12752851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25569 + ... + 26062.
It is an arithmetic number, because the mean of its divisors is an integer number (1807120).
Almost surely, 212752857 is an apocalyptic number.
It is an amenable number.
12752857 is a deficient number, since it is larger than the sum of its proper divisors (1704103).
12752857 is a wasteful number, since it uses less digits than its factorization.
12752857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51663.
The product of its digits is 39200, while the sum is 37.
The square root of 12752857 is about 3571.1142518827. The cubic root of 12752857 is about 233.6338845828.
The spelling of 12752857 in words is "twelve million, seven hundred fifty-two thousand, eight hundred fifty-seven".
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