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2066530 = 251971049
BaseRepresentation
bin111111000100001100010
310212222202011
413320201202
51012112110
6112143134
723364604
oct7704142
93788664
102066530
111191684
12837aaa
135747cb
143bb174
152ac48a
hex1f8862

2066530 has 16 divisors (see below), whose sum is σ = 3742200. Its totient is φ = 821632.

The previous prime is 2066521. The next prime is 2066539. The reversal of 2066530 is 356602.

It is an interprime number because it is at equal distance from previous prime (2066521) and next prime (2066539).

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 18769 = 1431^2 + 137^2 .

It is not an unprimeable number, because it can be changed into a prime (2066539) 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, 1446 + ... + 2494.

22066530 is an apocalyptic number.

2066530 is a deficient number, since it is larger than the sum of its proper divisors (1675670).

2066530 is a wasteful number, since it uses less digits than its factorization.

2066530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2066530 is about 1437.5430428338. The cubic root of 2066530 is about 127.3739366567.

The spelling of 2066530 in words is "two million, sixty-six thousand, five hundred thirty".

Divisors: 1 2 5 10 197 394 985 1049 1970 2098 5245 10490 206653 413306 1033265 2066530