Base | Representation |
---|---|
bin | 10000000100110… |
… | …01101000110111 |
3 | 100101201221100111 |
4 | 20002121220313 |
5 | 234010101111 |
6 | 21214123451 |
7 | 3225116014 |
oct | 1002315067 |
9 | 311657314 |
10 | 134847031 |
11 | 6a132630 |
12 | 391b0587 |
13 | 21c24a57 |
14 | 13ca270b |
15 | bc89a21 |
hex | 8099a37 |
134847031 has 4 divisors (see below), whose sum is σ = 147105864. Its totient is φ = 122588200.
The previous prime is 134847007. The next prime is 134847049. The reversal of 134847031 is 130748431.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 134847031 - 27 = 134846903 is a prime.
It is a super-2 number, since 2×1348470312 = 36367443539029922, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 134846984 and 134847002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (134847001) 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, 6129400 + ... + 6129421.
It is an arithmetic number, because the mean of its divisors is an integer number (36776466).
Almost surely, 2134847031 is an apocalyptic number.
134847031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
134847031 is a deficient number, since it is larger than the sum of its proper divisors (12258833).
134847031 is a wasteful number, since it uses less digits than its factorization.
134847031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12258832.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 134847031 is about 11612.3654351730. The cubic root of 134847031 is about 512.7989527664.
The spelling of 134847031 in words is "one hundred thirty-four million, eight hundred forty-seven thousand, thirty-one".
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