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7000090 = 251741177
BaseRepresentation
bin11010101101000000011010
3111011122022121
4122231000122
53243000330
6410011454
7113333266
oct32550032
914148277
107000090
113a512a9
122416b8a
1315b1286
14d030a6
1593417a
hex6ad01a

7000090 has 16 divisors (see below), whose sum is σ = 13341672. Its totient is φ = 2635264.

The previous prime is 7000087. The next prime is 7000109. The reversal of 7000090 is 900007.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5707321 + 1292769 = 2389^2 + 1137^2 .

7000090 is a modest number, since divided by 90 gives 70 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20419 + ... + 20758.

Almost surely, 27000090 is an apocalyptic number.

7000090 is a deficient number, since it is larger than the sum of its proper divisors (6341582).

7000090 is a wasteful number, since it uses less digits than its factorization.

7000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41201.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 7000090 is about 2645.7683194112. The cubic root of 7000090 is about 191.2939381014.

Adding to 7000090 its reverse (900007), we get a palindrome (7900097).

The spelling of 7000090 in words is "seven million, ninety", and thus it is an aban number and an uban number.

Divisors: 1 2 5 10 17 34 85 170 41177 82354 205885 411770 700009 1400018 3500045 7000090