Base | Representation |
---|---|
bin | 100110011111… |
… | …110101111101 |
3 | 200222201111010 |
4 | 212133311331 |
5 | 10040420101 |
6 | 1000145433 |
7 | 151531311 |
oct | 46376575 |
9 | 20881433 |
10 | 10091901 |
11 | 5773216 |
12 | 3468279 |
13 | 2124651 |
14 | 14a9b41 |
15 | d452d6 |
hex | 99fd7d |
10091901 has 8 divisors (see below), whose sum is σ = 13676704. Its totient is φ = 6617520.
The previous prime is 10091899. The next prime is 10091909. The reversal of 10091901 is 10919001.
10091901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10091901 - 21 = 10091899 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10091909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27391 + ... + 27756.
It is an arithmetic number, because the mean of its divisors is an integer number (1709588).
Almost surely, 210091901 is an apocalyptic number.
It is an amenable number.
10091901 is a deficient number, since it is larger than the sum of its proper divisors (3584803).
10091901 is an equidigital number, since it uses as much as digits as its factorization.
10091901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55211.
The product of its (nonzero) digits is 81, while the sum is 21.
The square root of 10091901 is about 3176.7752517293. The cubic root of 10091901 is about 216.1014398363.
The spelling of 10091901 in words is "ten million, ninety-one thousand, nine hundred one".
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