Base | Representation |
---|---|
bin | 100110111000… |
… | …110000011011 |
3 | 201011220110121 |
4 | 212320300123 |
5 | 10102201242 |
6 | 1002254111 |
7 | 152434651 |
oct | 46706033 |
9 | 21156417 |
10 | 10193947 |
11 | 5832955 |
12 | 34b7337 |
13 | 215bc2a |
14 | 14d4dd1 |
15 | d65667 |
hex | 9b8c1b |
10193947 has 4 divisors (see below), whose sum is σ = 10522816. Its totient is φ = 9865080.
The previous prime is 10193933. The next prime is 10193951. The reversal of 10193947 is 74939101.
10193947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74939101 = 523 ⋅143287.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10193947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10193957) 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, 164388 + ... + 164449.
It is an arithmetic number, because the mean of its divisors is an integer number (2630704).
Almost surely, 210193947 is an apocalyptic number.
10193947 is a deficient number, since it is larger than the sum of its proper divisors (328869).
10193947 is an equidigital number, since it uses as much as digits as its factorization.
10193947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328868.
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 10193947 is about 3192.7961099951. The cubic root of 10193947 is about 216.8273808253.
The spelling of 10193947 in words is "ten million, one hundred ninety-three thousand, nine hundred forty-seven".
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