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8039121 = 323263443
BaseRepresentation
bin11110101010101011010001
3120010102121020
4132222223101
54024222441
6444150053
7125221446
oct36525321
916112536
108039121
1145a0a02
122838329
13188619c
1410d39cd
15a8be66
hex7aaad1

8039121 has 16 divisors (see below), whose sum is σ = 11252736. Its totient is φ = 5095376.

The previous prime is 8039107. The next prime is 8039123. The reversal of 8039121 is 1219308.

It is a cyclic number.

It is not a de Polignac number, because 8039121 - 29 = 8038609 is a prime.

8039121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8039091 and 8039100.

It is not an unprimeable number, because it can be changed into a prime (8039123) 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 15 ways as a sum of consecutive naturals, for example, 17926 + ... + 18368.

It is an arithmetic number, because the mean of its divisors is an integer number (703296).

Almost surely, 28039121 is an apocalyptic number.

It is an amenable number.

8039121 is a deficient number, since it is larger than the sum of its proper divisors (3213615).

8039121 is a wasteful number, since it uses less digits than its factorization.

8039121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 8039121 is about 2835.3343718158. The cubic root of 8039121 is about 200.3254783652.

The spelling of 8039121 in words is "eight million, thirty-nine thousand, one hundred twenty-one".

Divisors: 1 3 23 69 263 443 789 1329 6049 10189 18147 30567 116509 349527 2679707 8039121