Base | Representation |
---|---|
bin | 100110001110… |
… | …0010000110011 |
3 | 1101201001221100 |
4 | 1030130100303 |
5 | 20112214312 |
6 | 1553255443 |
7 | 332216613 |
oct | 114342063 |
9 | 41631840 |
10 | 20038707 |
11 | 10347417 |
12 | 6864583 |
13 | 41c7c30 |
14 | 2938a43 |
15 | 1b5c5dc |
hex | 131c433 |
20038707 has 12 divisors (see below), whose sum is σ = 31171504. Its totient is φ = 12331440.
The previous prime is 20038687. The next prime is 20038723. The reversal of 20038707 is 70783002.
It is not a de Polignac number, because 20038707 - 214 = 20022323 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20038747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85519 + ... + 85752.
Almost surely, 220038707 is an apocalyptic number.
20038707 is a deficient number, since it is larger than the sum of its proper divisors (11132797).
20038707 is a wasteful number, since it uses less digits than its factorization.
20038707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171290 (or 171287 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 20038707 is about 4476.4614373409. The cubic root of 20038707 is about 271.6167604179.
The spelling of 20038707 in words is "twenty million, thirty-eight thousand, seven hundred seven".
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