Base | Representation |
---|---|
bin | 100110101010… |
… | …0111011010011 |
3 | 1102010212022111 |
4 | 1031110323103 |
5 | 20142131203 |
6 | 2002250151 |
7 | 334204360 |
oct | 115247323 |
9 | 42125274 |
10 | 20270803 |
11 | 10495833 |
12 | 6956957 |
13 | 4279777 |
14 | 2999467 |
15 | 1ba626d |
hex | 1354ed3 |
20270803 has 8 divisors (see below), whose sum is σ = 23194208. Its totient is φ = 17354304.
The previous prime is 20270791. The next prime is 20270821. The reversal of 20270803 is 30807202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20270803 - 221 = 18173651 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20270863) 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, 9175 + ... + 11167.
It is an arithmetic number, because the mean of its divisors is an integer number (2899276).
Almost surely, 220270803 is an apocalyptic number.
20270803 is a deficient number, since it is larger than the sum of its proper divisors (2923405).
20270803 is a wasteful number, since it uses less digits than its factorization.
20270803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3453.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 20270803 is about 4502.3108511075. The cubic root of 20270803 is about 272.6613941654.
The spelling of 20270803 in words is "twenty million, two hundred seventy thousand, eight hundred three".
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