Base | Representation |
---|---|
bin | 110000100011101… |
… | …001111111000011 |
3 | 2002202220200100101 |
4 | 300203221333003 |
5 | 3132022402004 |
6 | 212500503231 |
7 | 26121303511 |
oct | 6043517703 |
9 | 2082820311 |
10 | 814653379 |
11 | 38893a161 |
12 | 1a89aab17 |
13 | cca13827 |
14 | 7a2a14b1 |
15 | 4b7bdba4 |
hex | 308e9fc3 |
814653379 has 4 divisors (see below), whose sum is σ = 862574184. Its totient is φ = 766732576.
The previous prime is 814653377. The next prime is 814653403. The reversal of 814653379 is 973356418.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973356418 = 2 ⋅486678209.
It is a cyclic number.
It is not a de Polignac number, because 814653379 - 21 = 814653377 is a prime.
It is a super-2 number, since 2×8146533792 = 1327320255832235282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (814653373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23960377 + ... + 23960410.
It is an arithmetic number, because the mean of its divisors is an integer number (215643546).
Almost surely, 2814653379 is an apocalyptic number.
814653379 is a deficient number, since it is larger than the sum of its proper divisors (47920805).
814653379 is a wasteful number, since it uses less digits than its factorization.
814653379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47920804.
The product of its digits is 544320, while the sum is 46.
The square root of 814653379 is about 28542.1333995902. The cubic root of 814653379 is about 933.9514221212.
The spelling of 814653379 in words is "eight hundred fourteen million, six hundred fifty-three thousand, three hundred seventy-nine".
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