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528980628 = 223114007429
BaseRepresentation
bin11111100001111…
…001101010010100
31100212101000000010
4133201321222110
52040404340003
6124253520220
716052155401
oct3741715224
91325330003
10528980628
11251660a80
121291a3070
13857910b7
145037b2a8
1531690003
hex1f879a94

528980628 has 24 divisors (see below), whose sum is σ = 1346496480. Its totient is φ = 160297120.

The previous prime is 528980623. The next prime is 528980659. The reversal of 528980628 is 826089825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528980623) 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, 2003583 + ... + 2003846.

It is an arithmetic number, because the mean of its divisors is an integer number (56104020).

Almost surely, 2528980628 is an apocalyptic number.

It is an amenable number.

528980628 is an abundant number, since it is smaller than the sum of its proper divisors (817515852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528980628 is a wasteful number, since it uses less digits than its factorization.

528980628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007447 (or 4007445 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 528980628 is about 22999.5788657097. The cubic root of 528980628 is about 808.7480675397.

The spelling of 528980628 in words is "five hundred twenty-eight million, nine hundred eighty thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 4007429 8014858 12022287 16029716 24044574 44081719 48089148 88163438 132245157 176326876 264490314 528980628