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2505530 = 251913187
BaseRepresentation
bin1001100011101100111010
311201021221102
421203230322
51120134110
6125411402
730203516
oct11435472
94637842
102505530
111461495
12a09b62
13699581
14493146
153475a5
hex263b3a

2505530 has 16 divisors (see below), whose sum is σ = 4747680. Its totient is φ = 949392.

The previous prime is 2505527. The next prime is 2505533. The reversal of 2505530 is 355052.

It is an interprime number because it is at equal distance from previous prime (2505527) and next prime (2505533).

It is not an unprimeable number, because it can be changed into a prime (2505533) 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, 6404 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (296730).

22505530 is an apocalyptic number.

2505530 is a deficient number, since it is larger than the sum of its proper divisors (2242150).

2505530 is a wasteful number, since it uses less digits than its factorization.

2505530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2505530 is about 1582.8866036454. The cubic root of 2505530 is about 135.8208786637.

The spelling of 2505530 in words is "two million, five hundred five thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 13187 26374 65935 131870 250553 501106 1252765 2505530