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505576025 = 52103319577
BaseRepresentation
bin11110001000100…
…111101001011001
31022020022220220222
4132020213221121
52013411413100
6122100125425
715346216403
oct3610475131
91266286828
10505576025
1123a425829
12121396875
1380988116
144b207b73
152e5ba485
hex1e227a59

505576025 has 12 divisors (see below), whose sum is σ = 627553212. Its totient is φ = 404048640.

The previous prime is 505576021. The next prime is 505576031. The reversal of 505576025 is 520675505.

It can be written as a sum of positive squares in 6 ways, for example, as 89946256 + 415629769 = 9484^2 + 20387^2 .

It is not a de Polignac number, because 505576025 - 22 = 505576021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505576021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16037 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (52296101).

Almost surely, 2505576025 is an apocalyptic number.

It is an amenable number.

505576025 is a deficient number, since it is larger than the sum of its proper divisors (121977187).

505576025 is a wasteful number, since it uses less digits than its factorization.

505576025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20620 (or 20615 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 505576025 is about 22485.0177896305. The cubic root of 505576025 is about 796.6400881835.

The spelling of 505576025 in words is "five hundred five million, five hundred seventy-six thousand, twenty-five".

Divisors: 1 5 25 1033 5165 19577 25825 97885 489425 20223041 101115205 505576025