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8855081 = 53167077
BaseRepresentation
bin100001110001…
…111000101001
3121122212212222
4201301320221
54231330311
6513443425
7135160364
oct41617051
917585788
108855081
114aa8a54
122b70575
131ab06c1
1412670db
15b9dadb
hex871e29

8855081 has 4 divisors (see below), whose sum is σ = 9022212. Its totient is φ = 8687952.

The previous prime is 8855059. The next prime is 8855087. The reversal of 8855081 is 1805588.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 6295081 = 1600^2 + 2509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8855081 is a prime.

It is a super-2 number, since 2×88550812 = 156824919033122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8855087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83486 + ... + 83591.

It is an arithmetic number, because the mean of its divisors is an integer number (2255553).

Almost surely, 28855081 is an apocalyptic number.

It is an amenable number.

8855081 is a deficient number, since it is larger than the sum of its proper divisors (167131).

8855081 is a wasteful number, since it uses less digits than its factorization.

8855081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167130.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 8855081 is about 2975.7488133241. The cubic root of 8855081 is about 206.8858776450.

The spelling of 8855081 in words is "eight million, eight hundred fifty-five thousand, eighty-one".

Divisors: 1 53 167077 8855081