Base | Representation |
---|---|
bin | 100110010100… |
… | …1010010100111 |
3 | 1101210210010210 |
4 | 1030221102213 |
5 | 20120421241 |
6 | 1554350503 |
7 | 332531316 |
oct | 114512247 |
9 | 41723123 |
10 | 20092071 |
11 | 1038351a |
12 | 688b433 |
13 | 42162cc |
14 | 295027d |
15 | 1b6d316 |
hex | 13294a7 |
20092071 has 4 divisors (see below), whose sum is σ = 26789432. Its totient is φ = 13394712.
The previous prime is 20092069. The next prime is 20092081. The reversal of 20092071 is 17029002.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20092071 - 21 = 20092069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20092001) 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, 3348676 + ... + 3348681.
It is an arithmetic number, because the mean of its divisors is an integer number (6697358).
Almost surely, 220092071 is an apocalyptic number.
20092071 is a deficient number, since it is larger than the sum of its proper divisors (6697361).
20092071 is an equidigital number, since it uses as much as digits as its factorization.
20092071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6697360.
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 20092071 is about 4482.4179858643. The cubic root of 20092071 is about 271.8576560213.
The spelling of 20092071 in words is "twenty million, ninety-two thousand, seventy-one".
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