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512404425 = 325213315651
BaseRepresentation
bin11110100010101…
…010101111001001
31022201011211201200
4132202222233021
52022133420200
6122502334413
715461236311
oct3642525711
91281154650
10512404425
1124326a035
1212372a409
13822091b0
144c0a4441
152eeb8800
hex1e8aabc9

512404425 has 72 divisors (see below), whose sum is σ = 1020434688. Its totient is φ = 244080000.

The previous prime is 512404423. The next prime is 512404433. The reversal of 512404425 is 524404215.

It is not a de Polignac number, because 512404425 - 21 = 512404423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (512404421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 87850 + ... + 93500.

It is an arithmetic number, because the mean of its divisors is an integer number (14172704).

Almost surely, 2512404425 is an apocalyptic number.

It is an amenable number.

512404425 is a deficient number, since it is larger than the sum of its proper divisors (508030263).

512404425 is a wasteful number, since it uses less digits than its factorization.

512404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 512404425 is about 22636.3518482992. The cubic root of 512404425 is about 800.2105825847.

The spelling of 512404425 in words is "five hundred twelve million, four hundred four thousand, four hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 31 39 45 65 75 93 117 155 195 225 279 325 403 465 585 775 975 1209 1395 2015 2325 2925 3627 5651 6045 6975 10075 16953 18135 28255 30225 50859 73463 84765 90675 141275 175181 220389 254295 367315 423825 525543 661167 875905 1101945 1271475 1576629 1836575 2277353 2627715 3305835 4379525 5509725 6832059 7883145 11386765 13138575 16529175 20496177 34160295 39415725 56933825 102480885 170801475 512404425