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528301325 = 5227776289
BaseRepresentation
bin11111011111010…
…011110100001101
31100211002111011202
4133133103310031
52040221120300
6124231155245
716043326046
oct3737236415
91324074152
10528301325
11251237672
12128b15b25
13855b3b46
14502418cd
15315a8ad5
hex1f7d3d0d

528301325 has 12 divisors (see below), whose sum is σ = 657467220. Its totient is φ = 421109760.

The previous prime is 528301313. The next prime is 528301339. The reversal of 528301325 is 523103825.

It can be written as a sum of positive squares in 6 ways, for example, as 157276681 + 371024644 = 12541^2 + 19262^2 .

It is not a de Polignac number, because 528301325 - 26 = 528301261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31220 + ... + 45069.

It is an arithmetic number, because the mean of its divisors is an integer number (54788935).

Almost surely, 2528301325 is an apocalyptic number.

It is an amenable number.

528301325 is a deficient number, since it is larger than the sum of its proper divisors (129165895).

528301325 is a wasteful number, since it uses less digits than its factorization.

528301325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76576 (or 76571 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 528301325 is about 22984.8063946599. The cubic root of 528301325 is about 808.4017282499.

The spelling of 528301325 in words is "five hundred twenty-eight million, three hundred one thousand, three hundred twenty-five".

Divisors: 1 5 25 277 1385 6925 76289 381445 1907225 21132053 105660265 528301325