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7000002 = 2321572477
BaseRepresentation
bin11010101100111111000010
3111011122012100
4122230333002
53243000002
6410011230
7113333112
oct32547702
914148170
107000002
113a51229
122416b16
1315b1219
14d03042
1593411c
hex6acfc2

7000002 has 24 divisors (see below), whose sum is σ = 15269436. Its totient is φ = 2317536.

The previous prime is 6999997. The next prime is 7000003. The reversal of 7000002 is 2000007.

It can be written as a sum of positive squares in 2 ways, for example, as 6922161 + 77841 = 2631^2 + 279^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7000003) 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 11 ways as a sum of consecutive naturals, for example, 1588 + ... + 4064.

Almost surely, 27000002 is an apocalyptic number.

7000002 is an abundant number, since it is smaller than the sum of its proper divisors (8269434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7000002 is a wasteful number, since it uses less digits than its factorization.

7000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2639 counting only the distinct ones).

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

The square root of 7000002 is about 2645.7516890290. The cubic root of 7000002 is about 191.2931364956.

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

The spelling of 7000002 in words is "seven million, two", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 9 18 157 314 471 942 1413 2477 2826 4954 7431 14862 22293 44586 388889 777778 1166667 2333334 3500001 7000002