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8201011 = 71390121
BaseRepresentation
bin11111010010001100110011
3120102122200011
4133102030303
54044413021
6451435351
7126464440
oct37221463
916378604
108201011
1146a15a5
1228b5b57
131911a90
1411369c7
15abede1
hex7d2333

8201011 has 8 divisors (see below), whose sum is σ = 10093664. Its totient is φ = 6488640.

The previous prime is 8201009. The next prime is 8201033. The reversal of 8201011 is 1101028.

8201011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8201011 - 21 = 8201009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 8200982 and 8201000.

It is not an unprimeable number, because it can be changed into a prime (8201071) 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 7 ways as a sum of consecutive naturals, for example, 44970 + ... + 45151.

It is an arithmetic number, because the mean of its divisors is an integer number (1261708).

Almost surely, 28201011 is an apocalyptic number.

8201011 is a deficient number, since it is larger than the sum of its proper divisors (1892653).

8201011 is a wasteful number, since it uses less digits than its factorization.

8201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90141.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 8201011 is about 2863.7407354717. The cubic root of 8201011 is about 201.6612546264.

Adding to 8201011 its reverse (1101028), we get a palindrome (9302039).

The spelling of 8201011 in words is "eight million, two hundred one thousand, eleven".

Divisors: 1 7 13 91 90121 630847 1171573 8201011