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528068917 = 2920039091
BaseRepresentation
bin11111011110011…
…011000100110101
31100210122200101001
4133132123010311
52040141201132
6124222203301
716041340345
oct3736330465
91323580331
10528068917
11251098aa2
12128a23531
138553211c
14501c0d25
153155ece7
hex1f79b135

528068917 has 8 divisors (see below), whose sum is σ = 546611040. Its totient is φ = 509549040.

The previous prime is 528068869. The next prime is 528068927. The reversal of 528068917 is 719860825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-528068917 is a prime.

It is a super-3 number, since 3×5280689173 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528068927) 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, 53542 + ... + 62632.

It is an arithmetic number, because the mean of its divisors is an integer number (68326380).

Almost surely, 2528068917 is an apocalyptic number.

It is an amenable number.

528068917 is a deficient number, since it is larger than the sum of its proper divisors (18542123).

528068917 is a wasteful number, since it uses less digits than its factorization.

528068917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 528068917 is about 22979.7501509481. The cubic root of 528068917 is about 808.2831680161.

The spelling of 528068917 in words is "five hundred twenty-eight million, sixty-eight thousand, nine hundred seventeen".

Divisors: 1 29 2003 9091 58087 263639 18209273 528068917