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528332207 = 1340640939
BaseRepresentation
bin11111011111011…
…011010110101111
31100211011001112112
4133133123112233
52040223112312
6124231554235
716043515064
oct3737332657
91324131475
10528332207
11251258897
12128b2b97b
13855c4c10
145024cc6b
15315b2d22
hex1f7db5af

528332207 has 4 divisors (see below), whose sum is σ = 568973160. Its totient is φ = 487691256.

The previous prime is 528332141. The next prime is 528332219. The reversal of 528332207 is 702233825.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 528332207 - 218 = 528070063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528332227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20320457 + ... + 20320482.

It is an arithmetic number, because the mean of its divisors is an integer number (142243290).

Almost surely, 2528332207 is an apocalyptic number.

528332207 is a deficient number, since it is larger than the sum of its proper divisors (40640953).

528332207 is a wasteful number, since it uses less digits than its factorization.

528332207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40640952.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 528332207 is about 22985.4781764487. The cubic root of 528332207 is about 808.4174797252.

The spelling of 528332207 in words is "five hundred twenty-eight million, three hundred thirty-two thousand, two hundred seven".

Divisors: 1 13 40640939 528332207