Base | Representation |
---|---|
bin | 11111001000011101000110 |
3 | 120100121220202 |
4 | 133020131012 |
5 | 4042123334 |
6 | 450530502 |
7 | 126240164 |
oct | 37103506 |
9 | 16317822 |
10 | 8161094 |
11 | 4674607 |
12 | 2896a32 |
13 | 18c9866 |
14 | 1126234 |
15 | ab317e |
hex | 7c8746 |
8161094 has 4 divisors (see below), whose sum is σ = 12241644. Its totient is φ = 4080546.
The previous prime is 8161081. The next prime is 8161121. The reversal of 8161094 is 4901618.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4901618 = 2 ⋅2450809.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040272 + ... + 2040275.
It is an arithmetic number, because the mean of its divisors is an integer number (3060411).
Almost surely, 28161094 is an apocalyptic number.
8161094 is a deficient number, since it is larger than the sum of its proper divisors (4080550).
8161094 is a wasteful number, since it uses less digits than its factorization.
8161094 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4080549.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 8161094 is about 2856.7628533009. The cubic root of 8161094 is about 201.3335386116. Note that the first 3 decimals are identical.
The spelling of 8161094 in words is "eight million, one hundred sixty-one thousand, ninety-four".
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