Base | Representation |
---|---|
bin | 100110111000… |
… | …1010111110010 |
3 | 1102100210010201 |
4 | 1031301113302 |
5 | 20204343224 |
6 | 2004545414 |
7 | 335201143 |
oct | 115612762 |
9 | 42323121 |
10 | 20387314 |
11 | 10565322 |
12 | 69b226a |
13 | 42ba7cc |
14 | 29c9aca |
15 | 1bcaa44 |
hex | 13715f2 |
20387314 has 8 divisors (see below), whose sum is σ = 30637548. Its totient is φ = 10174800.
The previous prime is 20387287. The next prime is 20387357. The reversal of 20387314 is 41378302.
It can be written as a sum of positive squares in 2 ways, for example, as 14311089 + 6076225 = 3783^2 + 2465^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8037 + ... + 10264.
Almost surely, 220387314 is an apocalyptic number.
20387314 is a deficient number, since it is larger than the sum of its proper divisors (10250234).
20387314 is a wasteful number, since it uses less digits than its factorization.
20387314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18860.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 20387314 is about 4515.2313340514. The cubic root of 20387314 is about 273.1827907217.
The spelling of 20387314 in words is "twenty million, three hundred eighty-seven thousand, three hundred fourteen".
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