Base | Representation |
---|---|
bin | 100110100110… |
… | …011001011001 |
3 | 201001002022100 |
4 | 212212121121 |
5 | 10042244440 |
6 | 1000514013 |
7 | 152002500 |
oct | 46463131 |
9 | 21032270 |
10 | 10118745 |
11 | 57913aa |
12 | 347b909 |
13 | 2133930 |
14 | 14b5837 |
15 | d4d230 |
hex | 9a6659 |
10118745 has 72 divisors (see below), whose sum is σ = 22034376. Its totient is φ = 4257792.
The previous prime is 10118743. The next prime is 10118747. The reversal of 10118745 is 54781101.
10118745 is nontrivially palindromic in base 2.
10118745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10118743) and next prime (10118747).
It can be written as a sum of positive squares in 4 ways, for example, as 63504 + 10055241 = 252^2 + 3171^2 .
It is not a de Polignac number, because 10118745 - 21 = 10118743 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10118743) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28489 + ... + 28841.
It is an arithmetic number, because the mean of its divisors is an integer number (306033).
Almost surely, 210118745 is an apocalyptic number.
10118745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10118745 is an abundant number, since it is smaller than the sum of its proper divisors (11915631).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10118745 is a wasteful number, since it uses less digits than its factorization.
10118745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391 (or 381 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
The square root of 10118745 is about 3180.9974850666. The cubic root of 10118745 is about 216.2928768823.
Adding to 10118745 its reverse (54781101), we get a palindrome (64899846).
The spelling of 10118745 in words is "ten million, one hundred eighteen thousand, seven hundred forty-five".
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