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2000005 = 5757143
BaseRepresentation
bin111101000010010000101
310202121111021
413220102011
51003000010
6110511141
722666630
oct7502205
93677437
102000005
1111466a7
128054b1
13550447
143a0c17
152978da
hex1e8485

2000005 has 8 divisors (see below), whose sum is σ = 2742912. Its totient is φ = 1371408.

The previous prime is 2000003. The next prime is 2000029. The reversal of 2000005 is 5000002.

Adding to 2000005 its reverse (5000002), we get a palindrome (7000007).

It can be divided in two parts, 200000 and 5, that multiplied together give a 6-th power (1000000 = 106).

It is a sliding number, since 2000005 = 5 + 2000000 and 1/5 + 1/2000000 = 0.2000005.

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 2000005 - 21 = 2000003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28537 + ... + 28606.

It is an arithmetic number, because the mean of its divisors is an integer number (342864).

22000005 is an apocalyptic number.

It is an amenable number.

2000005 is a deficient number, since it is larger than the sum of its proper divisors (742907).

2000005 is an equidigital number, since it uses as much as digits as its factorization.

2000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57155.

The product of its (nonzero) digits is 10, while the sum is 7.

The square root of 2000005 is about 1414.2153301389. The cubic root of 2000005 is about 125.9922099828.

The spelling of 2000005 in words is "two million, five", and thus it is an aban number and an uban number.

Divisors: 1 5 7 35 57143 285715 400001 2000005