Base | Representation |
---|---|
bin | 100110010001… |
… | …1111011000110 |
3 | 1101202122222112 |
4 | 1030203323012 |
5 | 20114220321 |
6 | 1554101022 |
7 | 332410241 |
oct | 114437306 |
9 | 41678875 |
10 | 20070086 |
11 | 10368a53 |
12 | 687a772 |
13 | 42092ba |
14 | 2946258 |
15 | 1b66a5b |
hex | 1323ec6 |
20070086 has 4 divisors (see below), whose sum is σ = 30105132. Its totient is φ = 10035042.
The previous prime is 20070049. The next prime is 20070101. The reversal of 20070086 is 68007002.
It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017520 + ... + 5017523.
It is an arithmetic number, because the mean of its divisors is an integer number (7526283).
Almost surely, 220070086 is an apocalyptic number.
20070086 is a deficient number, since it is larger than the sum of its proper divisors (10035046).
20070086 is a wasteful number, since it uses less digits than its factorization.
20070086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10035045.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 20070086 is about 4479.9649552201. The cubic root of 20070086 is about 271.7584631299.
Adding to 20070086 its reverse (68007002), we get a palindrome (88077088).
The spelling of 20070086 in words is "twenty million, seventy thousand, eighty-six".
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