Base | Representation |
---|---|
bin | 1100010001111… |
… | …00010111110011 |
3 | 21011211100001011 |
4 | 12020330113303 |
5 | 202332221411 |
6 | 14115451351 |
7 | 2360360041 |
oct | 610742763 |
9 | 234740034 |
10 | 103007731 |
11 | 53166262 |
12 | 2a5b6b57 |
13 | 18457828 |
14 | d975391 |
15 | 909ac21 |
hex | 623c5f3 |
103007731 has 8 divisors (see below), whose sum is σ = 108783360. Its totient is φ = 97340232.
The previous prime is 103007719. The next prime is 103007783. The reversal of 103007731 is 137700301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103007731 - 213 = 102999539 is a prime.
It is a super-2 number, since 2×1030077312 = 21221185291536722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103007701) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25071 + ... + 28888.
It is an arithmetic number, because the mean of its divisors is an integer number (13597920).
Almost surely, 2103007731 is an apocalyptic number.
103007731 is a deficient number, since it is larger than the sum of its proper divisors (5775629).
103007731 is an equidigital number, since it uses as much as digits as its factorization.
103007731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54065.
The product of its (nonzero) digits is 441, while the sum is 22.
The square root of 103007731 is about 10149.2724369779. The cubic root of 103007731 is about 468.7665424443.
The spelling of 103007731 in words is "one hundred three million, seven thousand, seven hundred thirty-one".
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