Base | Representation |
---|---|
bin | 101001001110… |
… | …001010001101 |
3 | 202022222220120 |
4 | 221032022031 |
5 | 10231242101 |
6 | 1023335153 |
7 | 160564041 |
oct | 51161215 |
9 | 22288816 |
10 | 10805901 |
11 | 61106a7 |
12 | 37514b9 |
13 | 2314632 |
14 | 1614021 |
15 | e36b36 |
hex | a4e28d |
10805901 has 4 divisors (see below), whose sum is σ = 14407872. Its totient is φ = 7203932.
The previous prime is 10805891. The next prime is 10805917. The reversal of 10805901 is 10950801.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10805901 - 211 = 10803853 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 (10805941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800981 + ... + 1800986.
It is an arithmetic number, because the mean of its divisors is an integer number (3601968).
Almost surely, 210805901 is an apocalyptic number.
It is an amenable number.
10805901 is a deficient number, since it is larger than the sum of its proper divisors (3601971).
10805901 is an equidigital number, since it uses as much as digits as its factorization.
10805901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3601970.
The product of its (nonzero) digits is 360, while the sum is 24.
The square root of 10805901 is about 3287.2330309852. The cubic root of 10805901 is about 221.0821408660.
The spelling of 10805901 in words is "ten million, eight hundred five thousand, nine hundred one".
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