Base | Representation |
---|---|
bin | 110101010010000… |
… | …001010011001001 |
3 | 2022022001122201101 |
4 | 311102001103021 |
5 | 3312320310421 |
6 | 224411421401 |
7 | 31103110102 |
oct | 6522012311 |
9 | 2268048641 |
10 | 893916361 |
11 | 419657658 |
12 | 20b454861 |
13 | 1132765c0 |
14 | 86a153a9 |
15 | 53729191 |
hex | 354814c9 |
893916361 has 4 divisors (see below), whose sum is σ = 962679172. Its totient is φ = 825153552.
The previous prime is 893916349. The next prime is 893916407. The reversal of 893916361 is 163619398.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163619398 = 2 ⋅81809699.
It can be written as a sum of positive squares in 2 ways, for example, as 407272761 + 486643600 = 20181^2 + 22060^2 .
It is a cyclic number.
It is not a de Polignac number, because 893916361 - 221 = 891819209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (893916301) 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, 34381386 + ... + 34381411.
It is an arithmetic number, because the mean of its divisors is an integer number (240669793).
Almost surely, 2893916361 is an apocalyptic number.
It is an amenable number.
893916361 is a deficient number, since it is larger than the sum of its proper divisors (68762811).
893916361 is a wasteful number, since it uses less digits than its factorization.
893916361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68762810.
The product of its digits is 209952, while the sum is 46.
The square root of 893916361 is about 29898.4340894302. The cubic root of 893916361 is about 963.3090240896.
The spelling of 893916361 in words is "eight hundred ninety-three million, nine hundred sixteen thousand, three hundred sixty-one".
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