Base | Representation |
---|---|
bin | 100110101100… |
… | …1111011110010 |
3 | 1102011220110011 |
4 | 1031121323302 |
5 | 20143310224 |
6 | 2002525134 |
7 | 334321231 |
oct | 115317362 |
9 | 42156404 |
10 | 20291314 |
11 | 104aa18a |
12 | 69667aa |
13 | 4285bc4 |
14 | 29a2b18 |
15 | 1bac394 |
hex | 1359ef2 |
20291314 has 4 divisors (see below), whose sum is σ = 30436974. Its totient is φ = 10145656.
The previous prime is 20291311. The next prime is 20291317. The reversal of 20291314 is 41319202.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41319202 = 2 ⋅20659601.
It is an interprime number because it is at equal distance from previous prime (20291311) and next prime (20291317).
It can be written as a sum of positive squares in only one way, i.e., 11189025 + 9102289 = 3345^2 + 3017^2 .
It is not an unprimeable number, because it can be changed into a prime (20291311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072827 + ... + 5072830.
Almost surely, 220291314 is an apocalyptic number.
20291314 is a deficient number, since it is larger than the sum of its proper divisors (10145660).
20291314 is a wasteful number, since it uses less digits than its factorization.
20291314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10145659.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 20291314 is about 4504.5881054765. The cubic root of 20291314 is about 272.7533272550.
The spelling of 20291314 in words is "twenty million, two hundred ninety-one thousand, three hundred fourteen".
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