Base | Representation |
---|---|
bin | 100111100000… |
… | …1001110100101 |
3 | 1102222101211012 |
4 | 1033001032211 |
5 | 20300330110 |
6 | 2015552005 |
7 | 341032565 |
oct | 117011645 |
9 | 42871735 |
10 | 20714405 |
11 | 10769048 |
12 | 6b2b605 |
13 | 43a365a |
14 | 2a72da5 |
15 | 1c42905 |
hex | 13c13a5 |
20714405 has 8 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 16554256.
The previous prime is 20714383. The next prime is 20714429. The reversal of 20714405 is 50441702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20714405 - 26 = 20714341 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 8634.
It is an arithmetic number, because the mean of its divisors is an integer number (3110400).
Almost surely, 220714405 is an apocalyptic number.
It is an amenable number.
20714405 is a deficient number, since it is larger than the sum of its proper divisors (4168795).
20714405 is a wasteful number, since it uses less digits than its factorization.
20714405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4323.
The product of its (nonzero) digits is 1120, while the sum is 23.
The square root of 20714405 is about 4551.3080537358. The cubic root of 20714405 is about 274.6360143146.
The spelling of 20714405 in words is "twenty million, seven hundred fourteen thousand, four hundred five".
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