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528040080 = 24335244463
BaseRepresentation
bin11111011110010…
…100000010010000
31100210121012211000
4133132110002100
52040134240310
6124221422000
716041160311
oct3736240220
91323535730
10528040080
11251079367
12128a0a900
1385521c69
14501b4608
15315564c0
hex1f794090

528040080 has 80 divisors (see below), whose sum is σ = 1818812160. Its totient is φ = 140810112.

The previous prime is 528040063. The next prime is 528040099. The reversal of 528040080 is 80040825.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120072 + ... + 124391.

It is an arithmetic number, because the mean of its divisors is an integer number (22735152).

Almost surely, 2528040080 is an apocalyptic number.

It is an amenable number.

528040080 is an abundant number, since it is smaller than the sum of its proper divisors (1290772080).

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

528040080 is a wasteful number, since it uses less digits than its factorization.

528040080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244485 (or 244473 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 528040080 is about 22979.1226986584. The cubic root of 528040080 is about 808.2684547307.

The spelling of 528040080 in words is "five hundred twenty-eight million, forty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 244463 488926 733389 977852 1222315 1466778 1955704 2200167 2444630 2933556 3666945 3911408 4400334 4889260 5867112 6600501 7333890 8800668 9778520 11000835 11734224 13201002 14667780 17601336 19557040 22001670 26402004 29335560 33002505 35202672 44003340 52804008 58671120 66005010 88006680 105608016 132010020 176013360 264020040 528040080