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8052121 = 721114939
BaseRepresentation
bin11110101101110110011001
3120011002102201
4132231312121
54030131441
6444330201
7125304400
oct36556631
916132381
108052121
1145aa750
122843961
13188c08c
1410d8637
15a90c31
hex7add99

8052121 has 12 divisors (see below), whose sum is σ = 10218960. Its totient is φ = 6273960.

The previous prime is 8052103. The next prime is 8052133. The reversal of 8052121 is 1212508.

It is not a de Polignac number, because 8052121 - 25 = 8052089 is a prime.

It is an Ulam number.

It is a Duffinian number.

8052121 is a modest number, since divided by 2121 gives 805 as remainder.

It is not an unprimeable number, because it can be changed into a prime (8052521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6931 + ... + 8008.

It is an arithmetic number, because the mean of its divisors is an integer number (851580).

Almost surely, 28052121 is an apocalyptic number.

It is an amenable number.

8052121 is a deficient number, since it is larger than the sum of its proper divisors (2166839).

8052121 is a wasteful number, since it uses less digits than its factorization.

8052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14964 (or 14957 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 8052121 is about 2837.6259443415. The cubic root of 8052121 is about 200.4334018026.

Adding to 8052121 its reverse (1212508), we get a palindrome (9264629).

It can be divided in two parts, 805 and 2121, that added together give a triangular number (2926 = T76).

The spelling of 8052121 in words is "eight million, fifty-two thousand, one hundred twenty-one".

Divisors: 1 7 11 49 77 539 14939 104573 164329 732011 1150303 8052121