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8855001 = 34109321
BaseRepresentation
bin100001110001…
…110111011001
3121122212210000
4201301313121
54231330001
6513443213
7135160221
oct41616731
917585700
108855001
114aa8991
122b70509
131ab065c
141267081
15b9da86
hex871dd9

8855001 has 10 divisors (see below), whose sum is σ = 13227962. Its totient is φ = 5903280.

The previous prime is 8854997. The next prime is 8855003. The reversal of 8855001 is 1005588.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 1565001 = 2700^2 + 1251^2 .

It is not a de Polignac number, because 8855001 - 22 = 8854997 is a prime.

It is a super-2 number, since 2×88550012 = 156822085420002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8855003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54580 + ... + 54741.

Almost surely, 28855001 is an apocalyptic number.

8855001 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8855001 is a deficient number, since it is larger than the sum of its proper divisors (4372961).

8855001 is a wasteful number, since it uses less digits than its factorization.

8855001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109333 (or 109324 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 8855001 is about 2975.7353712990. The cubic root of 8855001 is about 206.8852546159.

It can be divided in two parts, 885 and 5001, that added together give a triangular number (5886 = T108).

The spelling of 8855001 in words is "eight million, eight hundred fifty-five thousand, one".

Divisors: 1 3 9 27 81 109321 327963 983889 2951667 8855001