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8085161 = 74326861
BaseRepresentation
bin11110110101111010101001
3120012202202102
4132311322221
54032211121
6445143145
7125502620
oct36657251
916182672
108085161
114622557
12285aab5
1318a1126
1411066b7
15a9a90b
hex7b5ea9

8085161 has 8 divisors (see below), whose sum is σ = 9455424. Its totient is φ = 6768720.

The previous prime is 8085157. The next prime is 8085163. The reversal of 8085161 is 1615808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8085161 - 22 = 8085157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8085163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13130 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (1181928).

Almost surely, 28085161 is an apocalyptic number.

It is an amenable number.

8085161 is a deficient number, since it is larger than the sum of its proper divisors (1370263).

8085161 is a wasteful number, since it uses less digits than its factorization.

8085161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 8085161 is about 2843.4417525246. The cubic root of 8085161 is about 200.7071715946.

The spelling of 8085161 in words is "eight million, eighty-five thousand, one hundred sixty-one".

Divisors: 1 7 43 301 26861 188027 1155023 8085161