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7290130 = 256011213
BaseRepresentation
bin11011110011110100010010
3111201101011211
4123303310102
53331241010
6420130334
7115652011
oct33636422
914641154
107290130
11412a201
1225369aa
1316832b3
14d7aa78
1599008a
hex6f3d12

7290130 has 16 divisors (see below), whose sum is σ = 13154904. Its totient is φ = 2908800.

The previous prime is 7290121. The next prime is 7290187. The reversal of 7290130 is 310927.

It can be written as a sum of positive squares in 4 ways, for example, as 5184729 + 2105401 = 2277^2 + 1451^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5404 + ... + 6616.

Almost surely, 27290130 is an apocalyptic number.

7290130 is a deficient number, since it is larger than the sum of its proper divisors (5864774).

7290130 is a wasteful number, since it uses less digits than its factorization.

7290130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 7290130 is about 2700.0240739667. The cubic root of 7290130 is about 193.9002746742.

The spelling of 7290130 in words is "seven million, two hundred ninety thousand, one hundred thirty".

Divisors: 1 2 5 10 601 1202 1213 2426 3005 6010 6065 12130 729013 1458026 3645065 7290130