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8001141 = 32667047
BaseRepresentation
bin11110100001011001110101
3120001111111120
4132201121311
54022014031
6443254153
7125002641
oct36413165
916044446
108001141
114575415
12281a359
131871b05
1410c3c21
15a80a96
hex7a1675

8001141 has 4 divisors (see below), whose sum is σ = 10668192. Its totient is φ = 5334092.

The previous prime is 8001107. The next prime is 8001157. The reversal of 8001141 is 1411008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8001141 - 210 = 8000117 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8001141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001241) 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 3 ways as a sum of consecutive naturals, for example, 1333521 + ... + 1333526.

It is an arithmetic number, because the mean of its divisors is an integer number (2667048).

Almost surely, 28001141 is an apocalyptic number.

It is an amenable number.

8001141 is a deficient number, since it is larger than the sum of its proper divisors (2667051).

8001141 is a wasteful number, since it uses less digits than its factorization.

8001141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667050.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 8001141 is about 2828.6288197641. The cubic root of 8001141 is about 200.0095078813.

Adding to 8001141 its reverse (1411008), we get a palindrome (9412149).

The spelling of 8001141 in words is "eight million, one thousand, one hundred forty-one".

Divisors: 1 3 2667047 8001141