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8411121 = 34103841
BaseRepresentation
bin100000000101…
…011111110001
3120211022220000
4200011133301
54123123441
6500140213
7131331135
oct40053761
916738800
108411121
114825444
122997669
1319865c4
14118d3c5
15b122b6
hex8057f1

8411121 has 10 divisors (see below), whose sum is σ = 12564882. Its totient is φ = 5607360.

The previous prime is 8411119. The next prime is 8411149. The reversal of 8411121 is 1211148.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 876096 = 2745^2 + 936^2 .

It is not a de Polignac number, because 8411121 - 21 = 8411119 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8411094 and 8411103.

It is not an unprimeable number, because it can be changed into a prime (8411111) 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 9 ways as a sum of consecutive naturals, for example, 51840 + ... + 52001.

Almost surely, 28411121 is an apocalyptic number.

8411121 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8411121 is a deficient number, since it is larger than the sum of its proper divisors (4153761).

8411121 is a wasteful number, since it uses less digits than its factorization.

8411121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103853 (or 103844 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 8411121 is about 2900.1932694219. The cubic root of 8411121 is about 203.3689408810.

Adding to 8411121 its reverse (1211148), we get a palindrome (9622269).

The spelling of 8411121 in words is "eight million, four hundred eleven thousand, one hundred twenty-one".

Divisors: 1 3 9 27 81 103841 311523 934569 2803707 8411121