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4000006 = 22000003
BaseRepresentation
bin1111010000100100000110
321112012222101
433100210012
52011000011
6221422314
745666553
oct17204406
97465871
104000006
11229229a
12140a99a
13aa088a
14761a2a
155402c1
hex3d0906

4000006 has 4 divisors (see below), whose sum is σ = 6000012. Its totient is φ = 2000002.

The previous prime is 3999971. The next prime is 4000037. The reversal of 4000006 is 6000004.

It is a semiprime because it is the product of two primes.

4000006 is a modest number, since divided by 6 gives 4 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3999956 and 4000001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000000 + ... + 1000003.

It is an arithmetic number, because the mean of its divisors is an integer number (1500003).

Almost surely, 24000006 is an apocalyptic number.

4000006 is a deficient number, since it is larger than the sum of its proper divisors (2000006).

4000006 is a wasteful number, since it uses less digits than its factorization.

4000006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000005.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 4000006 is about 2000.0014999994. The cubic root of 4000006 is about 158.7401845668.

The spelling of 4000006 in words is "four million, six", and thus it is an aban number and an eban number.

Divisors: 1 2 2000003 4000006