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528141380 = 2251317119489
BaseRepresentation
bin11111011110101…
…100110001000100
31100210210100202212
4133132230301010
52040201011010
6124223522552
716042061534
oct3736546104
91323710685
10528141380
11251138488
12128a59458
13855590c0
14501dd4c4
1531576505
hex1f7acc44

528141380 has 48 divisors (see below), whose sum is σ = 1264682160. Its totient is φ = 183533568.

The previous prime is 528141373. The next prime is 528141401. The reversal of 528141380 is 83141825.

It can be written as a sum of positive squares in 8 ways, for example, as 43349056 + 484792324 = 6584^2 + 22018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55325 + ... + 64164.

It is an arithmetic number, because the mean of its divisors is an integer number (26347545).

Almost surely, 2528141380 is an apocalyptic number.

It is an amenable number.

528141380 is an abundant number, since it is smaller than the sum of its proper divisors (736540780).

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

528141380 is a wasteful number, since it uses less digits than its factorization.

528141380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119528 (or 119526 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 528141380 is about 22981.3267676172. The cubic root of 528141380 is about 808.3201379029.

The spelling of 528141380 in words is "five hundred twenty-eight million, one hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 119489 238978 477956 597445 1194890 1553357 2031313 2389780 3106714 4062626 6213428 7766785 8125252 10156565 15533570 20313130 26407069 31067140 40626260 52814138 105628276 132035345 264070690 528141380