Base | Representation |
---|---|
bin | 100111100000… |
… | …1001110100111 |
3 | 1102222101211021 |
4 | 1033001032213 |
5 | 20300330112 |
6 | 2015552011 |
7 | 341032600 |
oct | 117011647 |
9 | 42871737 |
10 | 20714407 |
11 | 1076904a |
12 | 6b2b607 |
13 | 43a365c |
14 | 2a72da7 |
15 | 1c42907 |
hex | 13c13a7 |
20714407 has 12 divisors (see below), whose sum is σ = 24430656. Its totient is φ = 17508960.
The previous prime is 20714383. The next prime is 20714429. The reversal of 20714407 is 70441702.
It is a de Polignac number, because none of the positive numbers 2k-20714407 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 (20714437) by changing a digit.
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 in 11 ways as a sum of consecutive naturals, for example, 682 + ... + 6472.
It is an arithmetic number, because the mean of its divisors is an integer number (2035888).
Almost surely, 220714407 is an apocalyptic number.
20714407 is a deficient number, since it is larger than the sum of its proper divisors (3716249).
20714407 is an equidigital number, since it uses as much as digits as its factorization.
20714407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5878 (or 5871 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 20714407 is about 4551.3082734528. The cubic root of 20714407 is about 274.6360231534.
The spelling of 20714407 in words is "twenty million, seven hundred fourteen thousand, four hundred seven".
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