Base | Representation |
---|---|
bin | 100111000100… |
… | …0101111111111 |
3 | 1102112122111021 |
4 | 1032020233333 |
5 | 20220424241 |
6 | 2011005011 |
7 | 336050260 |
oct | 116105777 |
9 | 42478437 |
10 | 20483071 |
11 | 10620264 |
12 | 6a39767 |
13 | 432227b |
14 | 2a12967 |
15 | 1be90d1 |
hex | 1388bff |
20483071 has 8 divisors (see below), whose sum is σ = 23444640. Its totient is φ = 17530368.
The previous prime is 20483059. The next prime is 20483081. The reversal of 20483071 is 17038402.
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 20483071 - 211 = 20481023 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20483081) 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, 3855 + ... + 7471.
It is an arithmetic number, because the mean of its divisors is an integer number (2930580).
Almost surely, 220483071 is an apocalyptic number.
20483071 is a deficient number, since it is larger than the sum of its proper divisors (2961569).
20483071 is an equidigital number, since it uses as much as digits as its factorization.
20483071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4433.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 20483071 is about 4525.8226876448. The cubic root of 20483071 is about 273.6098261393.
The spelling of 20483071 in words is "twenty million, four hundred eighty-three thousand, seventy-one".
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