Base | Representation |
---|---|
bin | 100110100111… |
… | …010111111001 |
3 | 201001021210111 |
4 | 212213113321 |
5 | 10042411440 |
6 | 1000544321 |
7 | 152020243 |
oct | 46472771 |
9 | 21037714 |
10 | 10122745 |
11 | 5794406 |
12 | 34820a1 |
13 | 21356b9 |
14 | 14b7093 |
15 | d4e4ea |
hex | 9a75f9 |
10122745 has 8 divisors (see below), whose sum is σ = 12184200. Its totient is φ = 8073600.
The previous prime is 10122713. The next prime is 10122751. The reversal of 10122745 is 54722101.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4910656 + 5212089 = 2216^2 + 2283^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10122745 - 25 = 10122713 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 4645.
It is an arithmetic number, because the mean of its divisors is an integer number (1523025).
Almost surely, 210122745 is an apocalyptic number.
It is an amenable number.
10122745 is a deficient number, since it is larger than the sum of its proper divisors (2061455).
10122745 is an equidigital number, since it uses as much as digits as its factorization.
10122745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6155.
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 10122745 is about 3181.6261565432. The cubic root of 10122745 is about 216.3213737473.
Adding to 10122745 its reverse (54722101), we get a palindrome (64844846).
The spelling of 10122745 in words is "ten million, one hundred twenty-two thousand, seven hundred forty-five".
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