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2000007 = 32613643
BaseRepresentation
bin111101000010010000111
310202121111100
413220102013
51003000012
6110511143
722666632
oct7502207
93677440
102000007
1111466a9
128054b3
13550449
143a0c19
152978dc
hex1e8487

2000007 has 12 divisors (see below), whose sum is σ = 2937064. Its totient is φ = 1311120.

The previous prime is 2000003. The next prime is 2000029. The reversal of 2000007 is 7000002.

It is not a de Polignac number, because 2000007 - 22 = 2000003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

2000007 is a modest number, since divided by 7 gives 2 as remainder.

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 11 ways as a sum of consecutive naturals, for example, 1273 + ... + 2370.

22000007 is an apocalyptic number.

2000007 is a deficient number, since it is larger than the sum of its proper divisors (937057).

2000007 is a wasteful number, since it uses less digits than its factorization.

2000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 9.

The square root of 2000007 is about 1414.2160372447. The cubic root of 2000007 is about 125.9922519801.

Adding to 2000007 its reverse (7000002), we get a palindrome (9000009).

The spelling of 2000007 in words is "two million, seven", and thus it is an aban number and an uban number.

Divisors: 1 3 9 61 183 549 3643 10929 32787 222223 666669 2000007