Base | Representation |
---|---|
bin | 110110101110000… |
… | …011011011100111 |
3 | 2100222110101100021 |
4 | 312232003123213 |
5 | 3340004323333 |
6 | 231032500011 |
7 | 31515142201 |
oct | 6656033347 |
9 | 2328411307 |
10 | 918042343 |
11 | 431235889 |
12 | 21754a607 |
13 | 118272a2a |
14 | 89cd5771 |
15 | 558e282d |
hex | 36b836e7 |
918042343 has 4 divisors (see below), whose sum is σ = 924743520. Its totient is φ = 911341168.
The previous prime is 918042341. The next prime is 918042353. The reversal of 918042343 is 343240819.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343240819 = 59 ⋅5817641.
It is a cyclic number.
It is not a de Polignac number, because 918042343 - 21 = 918042341 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 918042299 and 918042308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (918042341) 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, 3350383 + ... + 3350656.
It is an arithmetic number, because the mean of its divisors is an integer number (231185880).
Almost surely, 2918042343 is an apocalyptic number.
918042343 is a deficient number, since it is larger than the sum of its proper divisors (6701177).
918042343 is a wasteful number, since it uses less digits than its factorization.
918042343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6701176.
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 918042343 is about 30299.2135706523. The cubic root of 918042343 is about 971.8984829512.
The spelling of 918042343 in words is "nine hundred eighteen million, forty-two thousand, three hundred forty-three".
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