Base | Representation |
---|---|
bin | 11111001000011100011111 |
3 | 120100121212022 |
4 | 133020130133 |
5 | 4042123210 |
6 | 450530355 |
7 | 126240110 |
oct | 37103437 |
9 | 16317768 |
10 | 8161055 |
11 | 4674581 |
12 | 28969bb |
13 | 18c9836 |
14 | 1126207 |
15 | ab3155 |
hex | 7c871f |
8161055 has 8 divisors (see below), whose sum is σ = 11192352. Its totient is φ = 5596128.
The previous prime is 8161039. The next prime is 8161063. The reversal of 8161055 is 5501618.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8161055 - 24 = 8161039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116552 + ... + 116621.
It is an arithmetic number, because the mean of its divisors is an integer number (1399044).
Almost surely, 28161055 is an apocalyptic number.
8161055 is a deficient number, since it is larger than the sum of its proper divisors (3031297).
8161055 is a wasteful number, since it uses less digits than its factorization.
8161055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233185.
The product of its (nonzero) digits is 1200, while the sum is 26.
The square root of 8161055 is about 2856.7560273849. The cubic root of 8161055 is about 201.3332179022. Note that the first 3 decimals are identical.
The spelling of 8161055 in words is "eight million, one hundred sixty-one thousand, fifty-five".
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