Base | Representation |
---|---|
bin | 100111101111… |
… | …111110000001 |
3 | 201121101200112 |
4 | 213233332001 |
5 | 10131420342 |
6 | 1011201105 |
7 | 154366202 |
oct | 47577601 |
9 | 21541615 |
10 | 10420097 |
11 | 5977856 |
12 | 35a6195 |
13 | 220ab4c |
14 | 15535a9 |
15 | dac682 |
hex | 9eff81 |
10420097 has 4 divisors (see below), whose sum is σ = 10438980. Its totient is φ = 10401216.
The previous prime is 10420087. The next prime is 10420103. The reversal of 10420097 is 79002401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79002401 = 23 ⋅3434887.
It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 8300161 = 1456^2 + 2881^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10420097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10420087) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8588 + ... + 9725.
It is an arithmetic number, because the mean of its divisors is an integer number (2609745).
Almost surely, 210420097 is an apocalyptic number.
It is an amenable number.
10420097 is a deficient number, since it is larger than the sum of its proper divisors (18883).
10420097 is an equidigital number, since it uses as much as digits as its factorization.
10420097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18882.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 10420097 is about 3228.0175030504. The cubic root of 10420097 is about 218.4190869305.
Adding to 10420097 its reverse (79002401), we get a palindrome (89422498).
The spelling of 10420097 in words is "ten million, four hundred twenty thousand, ninety-seven".
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