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3000811 = 113773101
BaseRepresentation
bin1011011100100111101011
312122110100011
423130213223
51232011221
6144152351
734335502
oct13344753
95573304
103000811
11176a610
1210086b7
13810b38
14581839
153e41e1
hex2dc9eb

3000811 has 16 divisors (see below), whose sum is σ = 3441888. Its totient is φ = 2592000.

The previous prime is 3000797. The next prime is 3000821. The reversal of 3000811 is 1180003.

It is a 8-Lehmer number, since φ(3000811) divides (3000811-1)8.

It is a cyclic number.

It is not a de Polignac number, because 3000811 - 25 = 3000779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3000791 and 3000800.

It is not an unprimeable number, because it can be changed into a prime (3000821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29661 + ... + 29761.

It is an arithmetic number, because the mean of its divisors is an integer number (215118).

Almost surely, 23000811 is an apocalyptic number.

3000811 is a deficient number, since it is larger than the sum of its proper divisors (441077).

3000811 is a wasteful number, since it uses less digits than its factorization.

3000811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3000811 is about 1732.2849072829. The cubic root of 3000811 is about 144.2379521309.

Adding to 3000811 its reverse (1180003), we get a palindrome (4180814).

The spelling of 3000811 in words is "three million, eight hundred eleven", and thus it is an aban number.

Divisors: 1 11 37 73 101 407 803 1111 2701 3737 7373 29711 41107 81103 272801 3000811